diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/MesQcOqcController.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/MesQcOqcController.java
new file mode 100644
index 0000000..44e613d
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/MesQcOqcController.java
@@ -0,0 +1,155 @@
+package cn.iocoder.yudao.module.mes.controller.admin.qc.oqc;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.iocoder.yudao.framework.apilog.core.annotation.ApiAccessLog;
+import cn.iocoder.yudao.framework.common.pojo.CommonResult;
+import cn.iocoder.yudao.framework.common.pojo.PageParam;
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
+import cn.iocoder.yudao.framework.excel.core.util.ExcelUtils;
+import cn.iocoder.yudao.module.mes.controller.admin.qc.oqc.vo.MesQcOqcPageReqVO;
+import cn.iocoder.yudao.module.mes.controller.admin.qc.oqc.vo.MesQcOqcRespVO;
+import cn.iocoder.yudao.module.mes.controller.admin.qc.oqc.vo.MesQcOqcSaveReqVO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.md.client.MesMdClientDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.md.item.MesMdItemDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.md.unitmeasure.MesMdUnitMeasureDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.oqc.MesQcOqcDO;
+import cn.iocoder.yudao.module.mes.service.md.client.MesMdClientService;
+import cn.iocoder.yudao.module.mes.service.md.item.MesMdItemService;
+import cn.iocoder.yudao.module.mes.service.md.unitmeasure.MesMdUnitMeasureService;
+import cn.iocoder.yudao.module.mes.service.qc.oqc.MesQcOqcService;
+import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
+import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.annotation.Resource;
+import jakarta.servlet.http.HttpServletResponse;
+import jakarta.validation.Valid;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import java.io.IOException;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+import static cn.iocoder.yudao.framework.apilog.core.enums.OperateTypeEnum.EXPORT;
+import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
+import static cn.iocoder.yudao.framework.common.util.collection.MapUtils.findAndThen;
+
+@Tag(name = "管理后台 - MES 出货检验单（OQC）")
+@RestController
+@RequestMapping("/mes/qc/oqc")
+@Validated
+public class MesQcOqcController {
+
+    @Resource
+    private MesQcOqcService oqcService;
+    @Resource
+    private MesMdClientService clientService;
+    @Resource
+    private MesMdItemService itemService;
+    @Resource
+    private MesMdUnitMeasureService unitMeasureService;
+
+    @Resource
+    private AdminUserApi adminUserApi;
+
+    @PostMapping("/create")
+    @Operation(summary = "创建出货检验单")
+    @PreAuthorize("@ss.hasPermission('mes:qc-oqc:create')")
+    public CommonResult<Long> createOqc(@Valid @RequestBody MesQcOqcSaveReqVO createReqVO) {
+        return success(oqcService.createOqc(createReqVO));
+    }
+
+    @PutMapping("/update")
+    @Operation(summary = "更新出货检验单")
+    @PreAuthorize("@ss.hasPermission('mes:qc-oqc:update')")
+    public CommonResult<Boolean> updateOqc(@Valid @RequestBody MesQcOqcSaveReqVO updateReqVO) {
+        oqcService.updateOqc(updateReqVO);
+        return success(true);
+    }
+
+    @PutMapping("/complete")
+    @Operation(summary = "完成出货检验单")
+    @Parameter(name = "id", description = "编号", required = true)
+    @PreAuthorize("@ss.hasPermission('mes:qc-oqc:update')")
+    public CommonResult<Boolean> completeOqc(@RequestParam("id") Long id) {
+        oqcService.completeOqc(id);
+        return success(true);
+    }
+
+    @DeleteMapping("/delete")
+    @Operation(summary = "删除出货检验单")
+    @Parameter(name = "id", description = "编号", required = true)
+    @PreAuthorize("@ss.hasPermission('mes:qc-oqc:delete')")
+    public CommonResult<Boolean> deleteOqc(@RequestParam("id") Long id) {
+        oqcService.deleteOqc(id);
+        return success(true);
+    }
+
+    @GetMapping("/get")
+    @Operation(summary = "获得出货检验单")
+    @Parameter(name = "id", description = "编号", required = true, example = "1024")
+    @PreAuthorize("@ss.hasPermission('mes:qc-oqc:query')")
+    public CommonResult<MesQcOqcRespVO> getOqc(@RequestParam("id") Long id) {
+        MesQcOqcDO oqc = oqcService.getOqc(id);
+        return success(buildOqcRespVOList(Collections.singletonList(oqc)).get(0));
+    }
+
+    @GetMapping("/page")
+    @Operation(summary = "获得出货检验单分页")
+    @PreAuthorize("@ss.hasPermission('mes:qc-oqc:query')")
+    public CommonResult<PageResult<MesQcOqcRespVO>> getOqcPage(@Valid MesQcOqcPageReqVO pageReqVO) {
+        PageResult<MesQcOqcDO> pageResult = oqcService.getOqcPage(pageReqVO);
+        return success(new PageResult<>(buildOqcRespVOList(pageResult.getList()), pageResult.getTotal()));
+    }
+
+    @GetMapping("/export-excel")
+    @Operation(summary = "导出出货检验单 Excel")
+    @PreAuthorize("@ss.hasPermission('mes:qc-oqc:export')")
+    @ApiAccessLog(operateType = EXPORT)
+    public void exportOqcExcel(@Valid MesQcOqcPageReqVO pageReqVO,
+                               HttpServletResponse response) throws IOException {
+        pageReqVO.setPageSize(PageParam.PAGE_SIZE_NONE);
+        List<MesQcOqcDO> list = oqcService.getOqcPage(pageReqVO).getList();
+        List<MesQcOqcRespVO> voList = buildOqcRespVOList(list);
+        ExcelUtils.write(response, "出货检验单.xls", "数据", MesQcOqcRespVO.class, voList);
+    }
+
+    // ==================== 拼接 VO ====================
+
+    private List<MesQcOqcRespVO> buildOqcRespVOList(List<MesQcOqcDO> list) {
+        if (CollUtil.isEmpty(list)) {
+            return Collections.emptyList();
+        }
+        // 批量查询客户
+        Map<Long, MesMdClientDO> clientMap = clientService.getClientMap(
+                convertSet(list, MesQcOqcDO::getClientId));
+        // 批量查询物料
+        Map<Long, MesMdItemDO> itemMap = itemService.getItemMap(
+                convertSet(list, MesQcOqcDO::getItemId));
+        // 批量查询计量单位
+        Map<Long, MesMdUnitMeasureDO> unitMeasureMap = unitMeasureService.getUnitMeasureMap(
+                convertSet(itemMap.values(), MesMdItemDO::getUnitMeasureId));
+        // 批量查询检测人员
+        Map<Long, AdminUserRespDTO> userMap = adminUserApi.getUserMap(
+                convertSet(list, MesQcOqcDO::getInspectorUserId));
+        // 拼装 VO
+        return BeanUtils.toBean(list, MesQcOqcRespVO.class, vo -> {
+            findAndThen(clientMap, vo.getClientId(),
+                    client -> vo.setClientNickname(client.getNickname()));
+            findAndThen(itemMap, vo.getItemId(), item -> {
+                vo.setItemCode(item.getCode()).setItemName(item.getName()).setItemSpecification(item.getSpecification());
+                findAndThen(unitMeasureMap, item.getUnitMeasureId(),
+                        unit -> vo.setUnitName(unit.getName()));
+            });
+            findAndThen(userMap, vo.getInspectorUserId(),
+                    user -> vo.setInspectorNickname(user.getNickname()));
+        });
+    }
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/MesQcOqcLineController.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/MesQcOqcLineController.java
new file mode 100644
index 0000000..5973061
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/MesQcOqcLineController.java
@@ -0,0 +1,87 @@
+package cn.iocoder.yudao.module.mes.controller.admin.qc.oqc;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.iocoder.yudao.framework.common.pojo.CommonResult;
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
+import cn.iocoder.yudao.module.mes.controller.admin.qc.oqc.vo.line.MesQcOqcLinePageReqVO;
+import cn.iocoder.yudao.module.mes.controller.admin.qc.oqc.vo.line.MesQcOqcLineRespVO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.md.unitmeasure.MesMdUnitMeasureDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.oqc.MesQcOqcLineDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.indicator.MesQcIndicatorDO;
+import cn.iocoder.yudao.module.mes.service.md.unitmeasure.MesMdUnitMeasureService;
+import cn.iocoder.yudao.module.mes.service.qc.oqc.MesQcOqcLineService;
+import cn.iocoder.yudao.module.mes.service.qc.indicator.MesQcIndicatorService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.annotation.Resource;
+import jakarta.validation.Valid;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
+import static cn.iocoder.yudao.framework.common.util.collection.MapUtils.findAndThen;
+
+@Tag(name = "管理后台 - MES 出货检验单行")
+@RestController
+@RequestMapping("/mes/qc/oqc/line")
+@Validated
+public class MesQcOqcLineController {
+
+    @Resource
+    private MesQcOqcLineService oqcLineService;
+    @Resource
+    private MesQcIndicatorService indicatorService;
+    @Resource
+    private MesMdUnitMeasureService unitMeasureService;
+
+    @GetMapping("/get")
+    @Operation(summary = "获得出货检验单行")
+    @Parameter(name = "id", description = "编号", required = true, example = "1024")
+    @PreAuthorize("@ss.hasPermission('mes:qc-oqc:query')")
+    public CommonResult<MesQcOqcLineRespVO> getOqcLine(@RequestParam("id") Long id) {
+        MesQcOqcLineDO line = oqcLineService.getOqcLine(id);
+        return success(buildLineRespVOList(Collections.singletonList(line)).get(0));
+    }
+
+    @GetMapping("/page")
+    @Operation(summary = "获得出货检验单行分页")
+    @PreAuthorize("@ss.hasPermission('mes:qc-oqc:query')")
+    public CommonResult<PageResult<MesQcOqcLineRespVO>> getOqcLinePage(@Valid MesQcOqcLinePageReqVO pageReqVO) {
+        PageResult<MesQcOqcLineDO> pageResult = oqcLineService.getOqcLinePage(pageReqVO);
+        return success(new PageResult<>(buildLineRespVOList(pageResult.getList()), pageResult.getTotal()));
+    }
+
+    // ==================== 拼接 VO ====================
+
+    private List<MesQcOqcLineRespVO> buildLineRespVOList(List<MesQcOqcLineDO> list) {
+        if (CollUtil.isEmpty(list)) {
+            return Collections.emptyList();
+        }
+        // 批量查询检测指标
+        Map<Long, MesQcIndicatorDO> indicatorMap = indicatorService.getIndicatorMap(
+                convertSet(list, MesQcOqcLineDO::getIndicatorId));
+        // 批量查询计量单位
+        Map<Long, MesMdUnitMeasureDO> unitMeasureMap = unitMeasureService.getUnitMeasureMap(
+                convertSet(list, MesQcOqcLineDO::getUnitMeasureId));
+        // 拼装 VO
+        return BeanUtils.toBean(list, MesQcOqcLineRespVO.class, vo -> {
+            findAndThen(indicatorMap, vo.getIndicatorId(), indicator ->
+                    vo.setIndicatorCode(indicator.getCode()).setIndicatorName(indicator.getName())
+                            .setIndicatorType(indicator.getType()));
+            findAndThen(unitMeasureMap, vo.getUnitMeasureId(),
+                    unit -> vo.setUnitMeasureName(unit.getName()));
+        });
+    }
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/vo/MesQcOqcPageReqVO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/vo/MesQcOqcPageReqVO.java
new file mode 100644
index 0000000..001a345
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/vo/MesQcOqcPageReqVO.java
@@ -0,0 +1,49 @@
+package cn.iocoder.yudao.module.mes.controller.admin.qc.oqc.vo;
+
+import cn.iocoder.yudao.framework.common.pojo.PageParam;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import java.time.LocalDateTime;
+
+import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
+
+@Schema(description = "管理后台 - MES 出货检验单分页 Request VO")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+public class MesQcOqcPageReqVO extends PageParam {
+
+    @Schema(description = "检验单编号", example = "OQC2025")
+    private String code;
+
+    @Schema(description = "客户 ID", example = "10")
+    private Long clientId;
+
+    @Schema(description = "批次号", example = "BC2025")
+    private String batchCode;
+
+    @Schema(description = "产品物料 ID", example = "20")
+    private Long itemId;
+
+    @Schema(description = "检测结果", example = "1")
+    private Integer checkResult;
+
+    @Schema(description = "状态", example = "0")
+    private Integer status;
+
+    @Schema(description = "检测人员用户 ID", example = "1")
+    private Long inspectorUserId;
+
+    @Schema(description = "出货日期")
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND)
+    private LocalDateTime[] outDate;
+
+    @Schema(description = "检测日期")
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND)
+    private LocalDateTime[] inspectDate;
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/vo/MesQcOqcRespVO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/vo/MesQcOqcRespVO.java
new file mode 100644
index 0000000..83111d9
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/vo/MesQcOqcRespVO.java
@@ -0,0 +1,154 @@
+package cn.iocoder.yudao.module.mes.controller.admin.qc.oqc.vo;
+
+import cn.idev.excel.annotation.ExcelIgnoreUnannotated;
+import cn.idev.excel.annotation.ExcelProperty;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+@Schema(description = "管理后台 - MES 出货检验单 Response VO")
+@Data
+@ExcelIgnoreUnannotated
+public class MesQcOqcRespVO {
+
+    @Schema(description = "编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1024")
+    @ExcelProperty("编号")
+    private Long id;
+
+    @Schema(description = "检验单编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "OQC20250101001")
+    @ExcelProperty("检验单编号")
+    private String code;
+
+    @Schema(description = "检验单名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "物料A出货检验")
+    @ExcelProperty("检验单名称")
+    private String name;
+
+    @Schema(description = "检验模板 ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "100")
+    private Long templateId;
+
+    // ========== 来源单据 ==========
+
+    @Schema(description = "来源单据 ID", example = "200")
+    private Long sourceDocId;
+
+    @Schema(description = "来源单据类型", example = "SALES")
+    private String sourceDocType;
+
+    @Schema(description = "来源单据编号", example = "SO20250101001")
+    private String sourceDocCode;
+
+    @Schema(description = "来源单据行 ID", example = "300")
+    private Long sourceLineId;
+
+    // ========== 客户 ==========
+
+    @Schema(description = "客户 ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "10")
+    private Long clientId;
+
+    @Schema(description = "客户简称", example = "客户A")
+    @ExcelProperty("客户简称")
+    private String clientNickname;
+
+    @Schema(description = "批次号", example = "BC20250101")
+    @ExcelProperty("批次号")
+    private String batchCode;
+
+    // ========== 物料 ==========
+
+    @Schema(description = "产品物料 ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "20")
+    private Long itemId;
+
+    @Schema(description = "产品物料编码", example = "ITEM001")
+    @ExcelProperty("产品物料编码")
+    private String itemCode;
+
+    @Schema(description = "产品物料名称", example = "物料A")
+    @ExcelProperty("产品物料名称")
+    private String itemName;
+
+    @Schema(description = "规格型号", example = "100mm*50mm")
+    private String itemSpecification;
+
+    @Schema(description = "单位名称", example = "个")
+    private String unitName;
+
+    // ========== 数量 ==========
+
+    @Schema(description = "最低检测数", example = "5")
+    private Integer minCheckQuantity;
+
+    @Schema(description = "最大不合格数", example = "0")
+    private Integer maxUnqualifiedQuantity;
+
+    @Schema(description = "本次出货数量", requiredMode = Schema.RequiredMode.REQUIRED, example = "100")
+    @ExcelProperty("出货数量")
+    private BigDecimal outQuantity;
+
+    @Schema(description = "本次检测数量", example = "10")
+    @ExcelProperty("检测数量")
+    private Integer checkQuantity;
+
+    @Schema(description = "合格品数量", example = "9")
+    @ExcelProperty("合格品数量")
+    private Integer qualifiedQuantity;
+
+    @Schema(description = "不合格品数量", example = "1")
+    @ExcelProperty("不合格品数量")
+    private Integer unqualifiedQuantity;
+
+    // ========== 缺陷统计 ==========
+
+    @Schema(description = "致命缺陷率（%）", example = "0.00")
+    private BigDecimal criticalRate;
+
+    @Schema(description = "严重缺陷率（%）", example = "0.00")
+    private BigDecimal majorRate;
+
+    @Schema(description = "轻微缺陷率（%）", example = "10.00")
+    private BigDecimal minorRate;
+
+    @Schema(description = "致命缺陷数量", example = "0")
+    private Integer criticalQuantity;
+
+    @Schema(description = "严重缺陷数量", example = "0")
+    private Integer majorQuantity;
+
+    @Schema(description = "轻微缺陷数量", example = "1")
+    private Integer minorQuantity;
+
+    // ========== 检验 ==========
+
+    @Schema(description = "检测结果", example = "1")
+    @ExcelProperty("检测结果")
+    private Integer checkResult;
+
+    @Schema(description = "出货日期")
+    @ExcelProperty("出货日期")
+    private LocalDateTime outDate;
+
+    @Schema(description = "检测日期")
+    @ExcelProperty("检测日期")
+    private LocalDateTime inspectDate;
+
+    @Schema(description = "检测人员用户 ID", example = "1")
+    private Long inspectorUserId;
+
+    @Schema(description = "检测人员昵称", example = "张三")
+    @ExcelProperty("检测人员")
+    private String inspectorNickname;
+
+    @Schema(description = "状态", requiredMode = Schema.RequiredMode.REQUIRED, example = "0")
+    @ExcelProperty("状态")
+    private Integer status;
+
+    @Schema(description = "备注", example = "备注")
+    @ExcelProperty("备注")
+    private String remark;
+
+    @Schema(description = "创建时间", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("创建时间")
+    private LocalDateTime createTime;
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/vo/MesQcOqcSaveReqVO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/vo/MesQcOqcSaveReqVO.java
new file mode 100644
index 0000000..08fd1b8
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/vo/MesQcOqcSaveReqVO.java
@@ -0,0 +1,97 @@
+package cn.iocoder.yudao.module.mes.controller.admin.qc.oqc.vo;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+@Schema(description = "管理后台 - MES 出货检验单新增/修改 Request VO")
+@Data
+public class MesQcOqcSaveReqVO {
+
+    @Schema(description = "编号", example = "1024")
+    private Long id;
+
+    @Schema(description = "检验单编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "OQC20250101001")
+    @NotEmpty(message = "检验单编号不能为空")
+    private String code;
+
+    @Schema(description = "检验单名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "物料A出货检验")
+    @NotEmpty(message = "检验单名称不能为空")
+    private String name;
+
+    @Schema(description = "检验模板 ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "100")
+    @NotNull(message = "检验模板不能为空")
+    private Long templateId;
+
+    // ========== 来源单据 ==========
+
+    @Schema(description = "来源单据 ID", example = "200")
+    private Long sourceDocId;
+
+    @Schema(description = "来源单据类型", example = "SALES")
+    private String sourceDocType;
+
+    @Schema(description = "来源单据编号", example = "SO20250101001")
+    private String sourceDocCode;
+
+    @Schema(description = "来源单据行 ID", example = "300")
+    private Long sourceLineId;
+
+    // ========== 客户 ==========
+
+    @Schema(description = "客户 ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "10")
+    @NotNull(message = "客户不能为空")
+    private Long clientId;
+
+    @Schema(description = "批次号", example = "BC20250101")
+    private String batchCode;
+
+    // ========== 物料 ==========
+
+    @Schema(description = "产品物料 ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "20")
+    @NotNull(message = "产品物料不能为空")
+    private Long itemId;
+
+    // ========== 数量 ==========
+
+    @Schema(description = "最低检测数", example = "5")
+    private Integer minCheckQuantity;
+
+    @Schema(description = "最大不合格数", example = "0")
+    private Integer maxUnqualifiedQuantity;
+
+    @Schema(description = "本次出货数量", requiredMode = Schema.RequiredMode.REQUIRED, example = "100")
+    @NotNull(message = "本次出货数量不能为空")
+    private BigDecimal outQuantity;
+
+    @Schema(description = "本次检测数量", example = "10")
+    private Integer checkQuantity;
+
+    @Schema(description = "合格品数量", example = "9")
+    private Integer qualifiedQuantity;
+
+    @Schema(description = "不合格品数量", example = "1")
+    private Integer unqualifiedQuantity;
+
+    // ========== 检验 ==========
+
+    @Schema(description = "检测结果", example = "1")
+    private Integer checkResult;
+
+    @Schema(description = "出货日期")
+    private LocalDateTime outDate;
+
+    @Schema(description = "检测日期")
+    private LocalDateTime inspectDate;
+
+    @Schema(description = "检测人员用户 ID", example = "1")
+    private Long inspectorUserId;
+
+    @Schema(description = "备注", example = "备注")
+    private String remark;
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/vo/line/MesQcOqcLinePageReqVO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/vo/line/MesQcOqcLinePageReqVO.java
new file mode 100644
index 0000000..be83e18
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/vo/line/MesQcOqcLinePageReqVO.java
@@ -0,0 +1,20 @@
+package cn.iocoder.yudao.module.mes.controller.admin.qc.oqc.vo.line;
+
+import cn.iocoder.yudao.framework.common.pojo.PageParam;
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+
+@Schema(description = "管理后台 - MES 出货检验单行分页 Request VO")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+public class MesQcOqcLinePageReqVO extends PageParam {
+
+    @Schema(description = "出货检验单 ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "100")
+    @NotNull(message = "出货检验单 ID 不能为空")
+    private Long oqcId;
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/vo/line/MesQcOqcLineRespVO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/vo/line/MesQcOqcLineRespVO.java
new file mode 100644
index 0000000..e47b6bb
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/qc/oqc/vo/line/MesQcOqcLineRespVO.java
@@ -0,0 +1,66 @@
+package cn.iocoder.yudao.module.mes.controller.admin.qc.oqc.vo.line;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+@Schema(description = "管理后台 - MES 出货检验单行 Response VO")
+@Data
+@Accessors(chain = true)
+public class MesQcOqcLineRespVO {
+
+    @Schema(description = "编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1024")
+    private Long id;
+
+    @Schema(description = "出货检验单 ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "100")
+    private Long oqcId;
+
+    @Schema(description = "检测指标 ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "10")
+    private Long indicatorId;
+
+    @Schema(description = "检测指标编码", example = "IND001")
+    private String indicatorCode;
+
+    @Schema(description = "检测指标名称", example = "外观")
+    private String indicatorName;
+
+    @Schema(description = "检测指标类型", example = "QUANTITATIVE")
+    private String indicatorType;
+
+    @Schema(description = "检测方法", example = "目测")
+    private String checkMethod;
+
+    @Schema(description = "标准值", example = "10.5000")
+    private BigDecimal standardValue;
+
+    @Schema(description = "计量单位 ID", example = "3")
+    private Long unitMeasureId;
+
+    @Schema(description = "计量单位名称", example = "毫米")
+    private String unitMeasureName;
+
+    @Schema(description = "误差上限", example = "11.0000")
+    private BigDecimal maxThreshold;
+
+    @Schema(description = "误差下限", example = "10.0000")
+    private BigDecimal minThreshold;
+
+    @Schema(description = "致命缺陷数量", example = "0")
+    private Integer criticalQuantity;
+
+    @Schema(description = "严重缺陷数量", example = "0")
+    private Integer majorQuantity;
+
+    @Schema(description = "轻微缺陷数量", example = "1")
+    private Integer minorQuantity;
+
+    @Schema(description = "备注", example = "备注")
+    private String remark;
+
+    @Schema(description = "创建时间", requiredMode = Schema.RequiredMode.REQUIRED)
+    private LocalDateTime createTime;
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/qc/rqc/MesQcRqcDO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/qc/rqc/MesQcRqcDO.java
new file mode 100644
index 0000000..1e9a7ce
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/qc/rqc/MesQcRqcDO.java
@@ -0,0 +1,154 @@
+package cn.iocoder.yudao.module.mes.dal.dataobject.qc.rqc;
+
+import cn.iocoder.yudao.framework.mybatis.core.dataobject.BaseDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.md.item.MesMdItemDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.template.MesQcTemplateDO;
+import com.baomidou.mybatisplus.annotation.KeySequence;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.*;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+/**
+ * MES 退货检验单（RQC, Return Quality Control） DO
+ *
+ * @author 芋道源码
+ */
+@TableName("mes_qc_rqc")
+@KeySequence("mes_qc_rqc_seq")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class MesQcRqcDO extends BaseDO {
+
+    /**
+     * 编号
+     */
+    @TableId
+    private Long id;
+    /**
+     * 检验单编号
+     */
+    private String code;
+    /**
+     * 检验单名称
+     */
+    private String name;
+    /**
+     * 检验模板 ID
+     *
+     * 关联 {@link MesQcTemplateDO#getId()}
+     */
+    private Long templateId;
+
+    // ========== 来源单据（TODO @芋艿：WM 模块迁移后接入） ==========
+
+    /**
+     * 来源单据 ID
+     */
+    private Long sourceDocId;
+    /**
+     * 来源单据类型
+     */
+    private String sourceDocType;
+    /**
+     * 来源单据编号
+     */
+    private String sourceDocCode;
+    /**
+     * 来源单据行 ID
+     */
+    private Long sourceLineId;
+
+    // ========== 退货类型 ==========
+
+    // TODO @AI：改成 int；然后枚举类在 dict constants 也添加下；
+    /**
+     * 退货检验类型
+     *
+     * 字典 mes_rqc_type
+     */
+    private String rqcType;
+
+    // ========== 物料 ==========
+
+    /**
+     * 产品物料 ID
+     *
+     * 关联 {@link MesMdItemDO#getId()}
+     */
+    private Long itemId;
+    /**
+     * 批次号
+     */
+    private String batchCode;
+
+    // ========== 数量 ==========
+
+    /**
+     * 检测数量
+     */
+    private BigDecimal checkQuantity;
+    /**
+     * 合格品数量
+     */
+    private BigDecimal qualifiedQuantity;
+    /**
+     * 不合格数量
+     */
+    private BigDecimal unqualifiedQuantity;
+
+    // ========== 检验 ==========
+
+    /**
+     * 检测结果
+     *
+     * 枚举 {@link cn.iocoder.yudao.module.mes.enums.qc.MesQcCheckResultEnum}
+     */
+    private Integer checkResult;
+    /**
+     * 检测日期
+     */
+    private LocalDateTime inspectDate;
+    /**
+     * 检测人员用户 ID
+     *
+     * 关联 AdminUserDO 的 id
+     */
+    private Long inspectorUserId;
+    /**
+     * 状态
+     *
+     * 枚举 {@link cn.iocoder.yudao.module.mes.enums.qc.MesQcIqcStatusEnum}
+     */
+    private Integer status;
+    /**
+     * 备注
+     */
+    private String remark;
+
+    // ========== 预留字段 ==========
+
+    /**
+     * 预留字段 1
+     */
+    private String attribute1;
+    /**
+     * 预留字段 2
+     */
+    private String attribute2;
+    /**
+     * 预留字段 3
+     */
+    private Integer attribute3;
+    /**
+     * 预留字段 4
+     */
+    private Integer attribute4;
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/qc/rqc/MesQcRqcLineDO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/qc/rqc/MesQcRqcLineDO.java
new file mode 100644
index 0000000..322e8a6
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/qc/rqc/MesQcRqcLineDO.java
@@ -0,0 +1,110 @@
+package cn.iocoder.yudao.module.mes.dal.dataobject.qc.rqc;
+
+import cn.iocoder.yudao.framework.mybatis.core.dataobject.BaseDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.md.unitmeasure.MesMdUnitMeasureDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.indicator.MesQcIndicatorDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.tm.tool.MesTmToolDO;
+import com.baomidou.mybatisplus.annotation.KeySequence;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.*;
+
+import java.math.BigDecimal;
+
+/**
+ * MES 退货检验行 DO
+ *
+ * @author 芋道源码
+ */
+@TableName("mes_qc_rqc_line")
+@KeySequence("mes_qc_rqc_line_seq")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class MesQcRqcLineDO extends BaseDO {
+
+    /**
+     * 编号
+     */
+    @TableId
+    private Long id;
+    /**
+     * 退货检验单 ID
+     *
+     * 关联 {@link MesQcRqcDO#getId()}
+     */
+    private Long rqcId;
+    /**
+     * 检测指标 ID
+     *
+     * 关联 {@link MesQcIndicatorDO#getId()}
+     */
+    private Long indicatorId;
+    /**
+     * 检测工具 ID
+     *
+     * 关联 {@link MesTmToolDO#getId()}
+     */
+    private Long toolId;
+    /**
+     * 检测方法
+     */
+    private String checkMethod;
+    /**
+     * 标准值
+     */
+    private BigDecimal standardValue;
+    /**
+     * 计量单位 ID
+     *
+     * 关联 {@link MesMdUnitMeasureDO#getId()}
+     */
+    private Long unitMeasureId;
+    /**
+     * 误差上限
+     */
+    private BigDecimal maxThreshold;
+    /**
+     * 误差下限
+     */
+    private BigDecimal minThreshold;
+    /**
+     * 致命缺陷数量
+     */
+    private Integer criticalQuantity;
+    /**
+     * 严重缺陷数量
+     */
+    private Integer majorQuantity;
+    /**
+     * 轻微缺陷数量
+     */
+    private Integer minorQuantity;
+    /**
+     * 备注
+     */
+    private String remark;
+
+    // ========== 预留字段 ==========
+
+    /**
+     * 预留字段 1
+     */
+    private String attribute1;
+    /**
+     * 预留字段 2
+     */
+    private String attribute2;
+    /**
+     * 预留字段 3
+     */
+    private Integer attribute3;
+    /**
+     * 预留字段 4
+     */
+    private Integer attribute4;
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/qc/rqc/MesQcRqcLineMapper.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/qc/rqc/MesQcRqcLineMapper.java
new file mode 100644
index 0000000..1fc134d
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/qc/rqc/MesQcRqcLineMapper.java
@@ -0,0 +1,35 @@
+package cn.iocoder.yudao.module.mes.dal.mysql.qc.rqc;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
+import cn.iocoder.yudao.module.mes.controller.admin.qc.rqc.vo.line.MesQcRqcLinePageReqVO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.rqc.MesQcRqcLineDO;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+/**
+ * MES 退货检验行 Mapper
+ *
+ * @author 芋道源码
+ */
+@Mapper
+public interface MesQcRqcLineMapper extends BaseMapperX<MesQcRqcLineDO> {
+
+    default PageResult<MesQcRqcLineDO> selectPage(MesQcRqcLinePageReqVO reqVO) {
+        return selectPage(reqVO, new LambdaQueryWrapperX<MesQcRqcLineDO>()
+                .eqIfPresent(MesQcRqcLineDO::getRqcId, reqVO.getRqcId())
+                .orderByAsc(MesQcRqcLineDO::getId));
+    }
+
+    default List<MesQcRqcLineDO> selectListByRqcId(Long rqcId) {
+        return selectList(MesQcRqcLineDO::getRqcId, rqcId);
+    }
+
+    default void deleteByRqcId(Long rqcId) {
+        delete(new LambdaQueryWrapperX<MesQcRqcLineDO>()
+                .eq(MesQcRqcLineDO::getRqcId, rqcId));
+    }
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/qc/rqc/MesQcRqcMapper.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/qc/rqc/MesQcRqcMapper.java
new file mode 100644
index 0000000..af3523e
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/qc/rqc/MesQcRqcMapper.java
@@ -0,0 +1,34 @@
+package cn.iocoder.yudao.module.mes.dal.mysql.qc.rqc;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
+import cn.iocoder.yudao.module.mes.controller.admin.qc.rqc.vo.MesQcRqcPageReqVO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.rqc.MesQcRqcDO;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * MES 退货检验单（RQC） Mapper
+ *
+ * @author 芋道源码
+ */
+@Mapper
+public interface MesQcRqcMapper extends BaseMapperX<MesQcRqcDO> {
+
+    default PageResult<MesQcRqcDO> selectPage(MesQcRqcPageReqVO reqVO) {
+        return selectPage(reqVO, new LambdaQueryWrapperX<MesQcRqcDO>()
+                .likeIfPresent(MesQcRqcDO::getCode, reqVO.getCode())
+                .eqIfPresent(MesQcRqcDO::getItemId, reqVO.getItemId())
+                .eqIfPresent(MesQcRqcDO::getRqcType, reqVO.getRqcType())
+                .eqIfPresent(MesQcRqcDO::getCheckResult, reqVO.getCheckResult())
+                .eqIfPresent(MesQcRqcDO::getStatus, reqVO.getStatus())
+                .betweenIfPresent(MesQcRqcDO::getInspectDate, reqVO.getInspectDate())
+                .eqIfPresent(MesQcRqcDO::getInspectorUserId, reqVO.getInspectorUserId())
+                .orderByDesc(MesQcRqcDO::getId));
+    }
+
+    default MesQcRqcDO selectByCode(String code) {
+        return selectOne(MesQcRqcDO::getCode, code);
+    }
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/rqc/MesQcRqcLineService.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/rqc/MesQcRqcLineService.java
new file mode 100644
index 0000000..2992335
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/rqc/MesQcRqcLineService.java
@@ -0,0 +1,72 @@
+package cn.iocoder.yudao.module.mes.service.qc.rqc;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.mes.controller.admin.qc.rqc.vo.line.MesQcRqcLinePageReqVO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.defectrecord.MesQcDefectRecordDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.rqc.MesQcRqcLineDO;
+
+import java.util.List;
+
+/**
+ * MES 退货检验行 Service 接口
+ *
+ * @author 芋道源码
+ */
+public interface MesQcRqcLineService {
+
+    /**
+     * 校验退货检验行存在
+     *
+     * @param id 编号
+     * @return 退货检验行
+     */
+    MesQcRqcLineDO validateRqcLineExists(Long id);
+
+    /**
+     * 获得退货检验行
+     *
+     * @param id 编号
+     * @return 退货检验行
+     */
+    MesQcRqcLineDO getRqcLine(Long id);
+
+    /**
+     * 获得退货检验行分页
+     *
+     * @param pageReqVO 分页查询
+     * @return 退货检验行分页
+     */
+    PageResult<MesQcRqcLineDO> getRqcLinePage(MesQcRqcLinePageReqVO pageReqVO);
+
+    /**
+     * 从模板指标自动生成检验行
+     *
+     * @param rqcId      退货检验单 ID
+     * @param templateId 模板 ID
+     */
+    void createLinesFromTemplate(Long rqcId, Long templateId);
+
+    /**
+     * 根据缺陷记录重新计算各行的缺陷统计数量
+     *
+     * @param rqcId   退货检验单 ID
+     * @param records 缺陷记录列表
+     */
+    void recalculateLineDefectStats(Long rqcId, List<MesQcDefectRecordDO> records);
+
+    /**
+     * 根据退货检验单 ID 获取所有行
+     *
+     * @param rqcId 退货检验单 ID
+     * @return 行列表
+     */
+    List<MesQcRqcLineDO> getRqcLineListByRqcId(Long rqcId);
+
+    /**
+     * 根据退货检验单 ID 级联删除所有行
+     *
+     * @param rqcId 退货检验单 ID
+     */
+    void deleteByRqcId(Long rqcId);
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/rqc/MesQcRqcLineServiceImpl.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/rqc/MesQcRqcLineServiceImpl.java
new file mode 100644
index 0000000..c35b50f
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/rqc/MesQcRqcLineServiceImpl.java
@@ -0,0 +1,113 @@
+package cn.iocoder.yudao.module.mes.service.qc.rqc;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.util.ObjUtil;
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.mes.controller.admin.qc.rqc.vo.line.MesQcRqcLinePageReqVO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.defectrecord.MesQcDefectRecordDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.rqc.MesQcRqcLineDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.template.MesQcTemplateIndicatorDO;
+import cn.iocoder.yudao.module.mes.dal.mysql.qc.rqc.MesQcRqcLineMapper;
+import cn.iocoder.yudao.module.mes.dal.mysql.qc.template.MesQcTemplateIndicatorMapper;
+import cn.iocoder.yudao.module.mes.enums.qc.MesQcDefectLevelEnum;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
+import org.springframework.validation.annotation.Validated;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
+import static cn.iocoder.yudao.module.mes.enums.ErrorCodeConstants.*;
+
+/**
+ * MES 退货检验行 Service 实现类
+ *
+ * @author 芋道源码
+ */
+@Service
+@Validated
+public class MesQcRqcLineServiceImpl implements MesQcRqcLineService {
+
+    @Resource
+    private MesQcRqcLineMapper rqcLineMapper;
+    @Resource
+    private MesQcTemplateIndicatorMapper templateIndicatorMapper;
+
+    @Override
+    public MesQcRqcLineDO validateRqcLineExists(Long id) {
+        MesQcRqcLineDO line = rqcLineMapper.selectById(id);
+        if (line == null) {
+            throw exception(QC_RQC_LINE_NOT_EXISTS);
+        }
+        return line;
+    }
+
+    @Override
+    public MesQcRqcLineDO getRqcLine(Long id) {
+        return rqcLineMapper.selectById(id);
+    }
+
+    @Override
+    public PageResult<MesQcRqcLineDO> getRqcLinePage(MesQcRqcLinePageReqVO pageReqVO) {
+        return rqcLineMapper.selectPage(pageReqVO);
+    }
+
+    @Override
+    public void createLinesFromTemplate(Long rqcId, Long templateId) {
+        List<MesQcTemplateIndicatorDO> indicators = templateIndicatorMapper.selectListByTemplateId(templateId);
+        List<MesQcRqcLineDO> lines = convertList(indicators, indicator -> new MesQcRqcLineDO()
+                .setRqcId(rqcId).setIndicatorId(indicator.getIndicatorId())
+                .setToolId(null) // TODO @芋艿：模板指标暂无 toolId，后续可扩展
+                .setCheckMethod(indicator.getCheckMethod())
+                .setStandardValue(indicator.getStandardValue()).setUnitMeasureId(indicator.getUnitMeasureId())
+                .setMaxThreshold(indicator.getThresholdMax()).setMinThreshold(indicator.getThresholdMin())
+                .setCriticalQuantity(0).setMajorQuantity(0).setMinorQuantity(0));
+        rqcLineMapper.insertBatch(lines);
+    }
+
+    @Override
+    public void recalculateLineDefectStats(Long rqcId, List<MesQcDefectRecordDO> records) {
+        List<MesQcRqcLineDO> lines = rqcLineMapper.selectListByRqcId(rqcId);
+        if (CollUtil.isEmpty(lines)) {
+            return;
+        }
+        List<MesQcRqcLineDO> updateLines = new ArrayList<>(lines.size());
+        for (MesQcRqcLineDO line : lines) {
+            int critical = 0, major = 0, minor = 0;
+            for (MesQcDefectRecordDO record : records) {
+                if (ObjUtil.notEqual(record.getLineId(), line.getId())) {
+                    continue;
+                }
+                int quantity = ObjUtil.defaultIfNull(record.getQuantity(), 1);
+                if (Objects.equals(record.getLevel(), MesQcDefectLevelEnum.CRITICAL.getType())) {
+                    critical += quantity;
+                } else if (Objects.equals(record.getLevel(), MesQcDefectLevelEnum.MAJOR.getType())) {
+                    major += quantity;
+                } else if (Objects.equals(record.getLevel(), MesQcDefectLevelEnum.MINOR.getType())) {
+                    minor += quantity;
+                } else {
+                    throw exception(QC_DEFECT_RECORD_LEVEL_UNKNOWN);
+                }
+            }
+            updateLines.add(new MesQcRqcLineDO().setId(line.getId())
+                    .setCriticalQuantity(critical).setMajorQuantity(major).setMinorQuantity(minor));
+        }
+        for (MesQcRqcLineDO updateLine : updateLines) {
+            rqcLineMapper.updateById(updateLine);
+        }
+    }
+
+    @Override
+    public List<MesQcRqcLineDO> getRqcLineListByRqcId(Long rqcId) {
+        return rqcLineMapper.selectListByRqcId(rqcId);
+    }
+
+    @Override
+    public void deleteByRqcId(Long rqcId) {
+        rqcLineMapper.deleteByRqcId(rqcId);
+    }
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/rqc/MesQcRqcService.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/rqc/MesQcRqcService.java
new file mode 100644
index 0000000..e88729f
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/rqc/MesQcRqcService.java
@@ -0,0 +1,80 @@
+package cn.iocoder.yudao.module.mes.service.qc.rqc;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.mes.controller.admin.qc.rqc.vo.MesQcRqcPageReqVO;
+import cn.iocoder.yudao.module.mes.controller.admin.qc.rqc.vo.MesQcRqcSaveReqVO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.defectrecord.MesQcDefectRecordDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.rqc.MesQcRqcDO;
+import jakarta.validation.Valid;
+
+import java.util.List;
+
+/**
+ * MES 退货检验单（RQC） Service 接口
+ *
+ * @author 芋道源码
+ */
+public interface MesQcRqcService {
+
+    /**
+     * 创建退货检验单
+     *
+     * @param createReqVO 创建信息
+     * @return 编号
+     */
+    Long createRqc(@Valid MesQcRqcSaveReqVO createReqVO);
+
+    /**
+     * 更新退货检验单
+     *
+     * @param updateReqVO 更新信息
+     */
+    void updateRqc(@Valid MesQcRqcSaveReqVO updateReqVO);
+
+    /**
+     * 完成退货检验单
+     *
+     * @param id 编号
+     */
+    void completeRqc(Long id);
+
+    /**
+     * 删除退货检验单
+     *
+     * @param id 编号
+     */
+    void deleteRqc(Long id);
+
+    /**
+     * 校验退货检验单存在
+     *
+     * @param id 编号
+     * @return 退货检验单
+     */
+    MesQcRqcDO validateRqcExists(Long id);
+
+    /**
+     * 获得退货检验单
+     *
+     * @param id 编号
+     * @return 退货检验单
+     */
+    MesQcRqcDO getRqc(Long id);
+
+    /**
+     * 获得退货检验单分页
+     *
+     * @param pageReqVO 分页查询
+     * @return 退货检验单分页
+     */
+    PageResult<MesQcRqcDO> getRqcPage(MesQcRqcPageReqVO pageReqVO);
+
+    /**
+     * 根据缺陷记录重新计算行级缺陷统计
+     *
+     * @param rqcId   退货检验单 ID
+     * @param records 缺陷记录列表
+     */
+    void recalculateDefectStats(Long rqcId, List<MesQcDefectRecordDO> records);
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/rqc/MesQcRqcServiceImpl.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/rqc/MesQcRqcServiceImpl.java
new file mode 100644
index 0000000..39b420e
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/qc/rqc/MesQcRqcServiceImpl.java
@@ -0,0 +1,166 @@
+package cn.iocoder.yudao.module.mes.service.qc.rqc;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.util.ObjUtil;
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
+import cn.iocoder.yudao.module.mes.controller.admin.qc.rqc.vo.MesQcRqcPageReqVO;
+import cn.iocoder.yudao.module.mes.controller.admin.qc.rqc.vo.MesQcRqcSaveReqVO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.defectrecord.MesQcDefectRecordDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.rqc.MesQcRqcDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.qc.template.MesQcTemplateDO;
+import cn.iocoder.yudao.module.mes.dal.mysql.qc.rqc.MesQcRqcMapper;
+import cn.iocoder.yudao.module.mes.enums.qc.MesQcIqcStatusEnum;
+import cn.iocoder.yudao.module.mes.enums.qc.MesQcTypeEnum;
+import cn.iocoder.yudao.module.mes.service.qc.defectrecord.MesQcDefectRecordService;
+import cn.iocoder.yudao.module.mes.service.qc.template.MesQcTemplateService;
+import jakarta.annotation.Resource;
+import org.springframework.context.annotation.Lazy;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.validation.annotation.Validated;
+
+import java.math.BigDecimal;
+import java.util.List;
+
+import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static cn.iocoder.yudao.module.mes.enums.ErrorCodeConstants.*;
+
+/**
+ * MES 退货检验单（RQC） Service 实现类
+ *
+ * @author 芋道源码
+ */
+@Service
+@Validated
+public class MesQcRqcServiceImpl implements MesQcRqcService {
+
+    @Resource
+    private MesQcRqcMapper rqcMapper;
+    @Resource
+    private MesQcTemplateService templateService;
+    @Resource
+    private MesQcRqcLineService rqcLineService;
+    @Resource
+    @Lazy
+    private MesQcDefectRecordService defectRecordService;
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Long createRqc(MesQcRqcSaveReqVO createReqVO) {
+        // 1.1 校验编号唯一
+        validateRqcCodeUnique(null, createReqVO.getCode());
+        // TODO @AI：关联的物资等存在的校验；
+        // 1.2 校验检验模板存在且支持 RQC 类型
+        Long templateId = createReqVO.getTemplateId();
+        MesQcTemplateDO template = templateService.validateTemplateExists(templateId);
+        if (!CollUtil.contains(template.getTypes(), MesQcTypeEnum.RQC.getType())) {
+            throw exception(QC_RQC_NO_TEMPLATE);
+        }
+
+        // 2. 插入主表
+        MesQcRqcDO rqc = BeanUtils.toBean(createReqVO, MesQcRqcDO.class)
+                .setStatus(MesQcIqcStatusEnum.PREPARE.getType());
+        rqcMapper.insert(rqc);
+
+        // 3. 从模板指标自动生成检验行
+        rqcLineService.createLinesFromTemplate(rqc.getId(), templateId);
+        return rqc.getId();
+    }
+
+    @Override
+    public void updateRqc(MesQcRqcSaveReqVO updateReqVO) {
+        // 1.1 校验存在 + 草稿状态
+        validateRqcStatusPrepare(updateReqVO.getId());
+        // 1.2 校验编号唯一
+        validateRqcCodeUnique(updateReqVO.getId(), updateReqVO.getCode());
+
+        // 2. 更新
+        MesQcRqcDO updateObj = BeanUtils.toBean(updateReqVO, MesQcRqcDO.class);
+        rqcMapper.updateById(updateObj);
+    }
+
+    @Override
+    public void completeRqc(Long id) {
+        // 1.1 校验存在 + 草稿状态
+        MesQcRqcDO rqc = validateRqcStatusPrepare(id);
+        // 1.2 校验合格品 + 不合格品 = 检测数量
+        if (rqc.getCheckQuantity() != null && rqc.getCheckQuantity().compareTo(BigDecimal.ZERO) > 0) {
+            BigDecimal qualified = rqc.getQualifiedQuantity() != null ? rqc.getQualifiedQuantity() : BigDecimal.ZERO;
+            BigDecimal unqualified = rqc.getUnqualifiedQuantity() != null ? rqc.getUnqualifiedQuantity() : BigDecimal.ZERO;
+            if (qualified.add(unqualified).compareTo(rqc.getCheckQuantity()) != 0) {
+                throw exception(QC_RQC_QUANTITY_MISMATCH);
+            }
+        }
+
+        // 2. 更新状态为已完成
+        MesQcRqcDO updateObj = new MesQcRqcDO().setId(id).setStatus(MesQcIqcStatusEnum.FINISHED.getType());
+        rqcMapper.updateById(updateObj);
+
+        // TODO @芋艿：WM 模块迁移后，更新来源退料/退货单行的质量状态
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void deleteRqc(Long id) {
+        // 1. 校验存在 + 草稿状态
+        validateRqcStatusPrepare(id);
+
+        // 2.1 删除主表
+        rqcMapper.deleteById(id);
+        // 2.2 级联删除行
+        rqcLineService.deleteByRqcId(id);
+        // 2.3 级联删除缺陷记录
+        defectRecordService.deleteByQcTypeAndQcId(MesQcTypeEnum.RQC.getType(), id);
+    }
+
+    @Override
+    public MesQcRqcDO validateRqcExists(Long id) {
+        MesQcRqcDO rqc = rqcMapper.selectById(id);
+        if (rqc == null) {
+            throw exception(QC_RQC_NOT_EXISTS);
+        }
+        return rqc;
+    }
+
+    /**
+     * 校验退货检验单存在且为草稿状态
+     *
+     * @param id 退货检验单 ID
+     * @return 退货检验单
+     */
+    private MesQcRqcDO validateRqcStatusPrepare(Long id) {
+        MesQcRqcDO rqc = validateRqcExists(id);
+        if (ObjUtil.notEqual(rqc.getStatus(), MesQcIqcStatusEnum.PREPARE.getType())) {
+            throw exception(QC_RQC_NOT_PREPARE);
+        }
+        return rqc;
+    }
+
+    private void validateRqcCodeUnique(Long id, String code) {
+        MesQcRqcDO rqc = rqcMapper.selectByCode(code);
+        if (rqc == null) {
+            return;
+        }
+        if (ObjUtil.notEqual(rqc.getId(), id)) {
+            throw exception(QC_RQC_CODE_DUPLICATE);
+        }
+    }
+
+    @Override
+    public MesQcRqcDO getRqc(Long id) {
+        return rqcMapper.selectById(id);
+    }
+
+    @Override
+    public PageResult<MesQcRqcDO> getRqcPage(MesQcRqcPageReqVO pageReqVO) {
+        return rqcMapper.selectPage(pageReqVO);
+    }
+
+    @Override
+    public void recalculateDefectStats(Long rqcId, List<MesQcDefectRecordDO> records) {
+        // RQC 只更新行级缺陷统计，主表不存储缺陷统计字段
+        rqcLineService.recalculateLineDefectStats(rqcId, records);
+    }
+
+}