diff --git a/mmpac/src/private/nc/bs/mmpac/pmo/pac0002/bp/rule/BeforePmoBomRule.java b/mmpac/src/private/nc/bs/mmpac/pmo/pac0002/bp/rule/BeforePmoBomRule.java
new file mode 100644
index 0000000..29f12c6
--- /dev/null
+++ b/mmpac/src/private/nc/bs/mmpac/pmo/pac0002/bp/rule/BeforePmoBomRule.java
@@ -0,0 +1,48 @@
+package nc.bs.mmpac.pmo.pac0002.bp.rule;
+
+import nc.bs.logging.Logger;
+import nc.bs.uapbd.util.MyHelper;
+import nc.impl.pubapp.pattern.rule.IRule;
+import nc.vo.mmpac.pmo.pac0002.entity.PMOAggVO;
+import nc.vo.mmpac.pmo.pac0002.entity.PMOHeadVO;
+import nc.vo.mmpac.pmo.pac0002.entity.PMOItemVO;
+import nc.vo.org.FactoryVO;
+import nc.vo.pub.BusinessException;
+
+/**
+ * 流程生产订单赋值生产BOM字段
+ *
+ * @author mzr
+ * @date 2025/7/15
+ */
+public class BeforePmoBomRule implements IRule<PMOAggVO> {
+
+    @Override
+    public void process(PMOAggVO[] vos) {
+        try {
+            for (PMOAggVO vo : vos) {
+                PMOHeadVO headVO = vo.getParentVO();
+                String pkOrg = headVO.getPk_org();
+
+                MyHelper.getStrValByCondition(FactoryVO.getDefaultTableName(), FactoryVO.CODE,
+                        FactoryVO.PK_FACTORY + " = '" + pkOrg + "'");
+                // 只有箱变公司才赋值生产BOM字段
+                if (!"C030".equals(pkOrg)) {
+                    continue;
+                }
+                // 箱变公司赋值生产BOM的相关字段 cbomversionid vbomversion
+                PMOItemVO[] pmoItemVOS = vo.getChildrenVO();
+                for (PMOItemVO pmoItemVO : pmoItemVOS) {
+                    // vsrctype 来源单据类型 来源销售订单的需要赋值
+                    if ("30".equals(pmoItemVO.getVsrctype())) {
+                        pmoItemVO.setVbomversion(""); // 生产BOM版本号
+                        pmoItemVO.setCbomversionid(""); // 生产BOM版本
+                    }
+                }
+            }
+        } catch (BusinessException e) {
+            Logger.error("BeforePmoBomRule-exp:" + e.getMessage(), e);
+            throw new RuntimeException(e);
+        }
+    }
+}