diff --git a/WebContent/WEB-INF/view/productionplanning/mBomMgmtList.jsp b/WebContent/WEB-INF/view/productionplanning/mBomMgmtList.jsp
index a3cb959..32634f0 100644
--- a/WebContent/WEB-INF/view/productionplanning/mBomMgmtList.jsp
+++ b/WebContent/WEB-INF/view/productionplanning/mBomMgmtList.jsp
@@ -228,9 +228,14 @@ var columns = [
 	{
 		headerHozAlign: 'center', 
 		hozAlign: 'left',
-	//	width: 150,
+		width: 220,
 		title: '고객사요청사항',
-		field: 'CUSTOMER_REQUEST'
+		field: 'CUSTOMER_REQUEST',
+		formatter: function(cell) {
+			cell.getElement().style.fontWeight = 'bold';
+			cell.getElement().style.backgroundColor = '#E8F5E9';
+			return cell.getValue() || '';
+		}
 	},
 	
 	// 15. M-BOM
diff --git a/WebContent/WEB-INF/view/productionplanning/prodPlanResultMgmtList.jsp b/WebContent/WEB-INF/view/productionplanning/prodPlanResultMgmtList.jsp
index 0cea69c..0b3185b 100644
--- a/WebContent/WEB-INF/view/productionplanning/prodPlanResultMgmtList.jsp
+++ b/WebContent/WEB-INF/view/productionplanning/prodPlanResultMgmtList.jsp
@@ -297,7 +297,7 @@ var columns = [
 		formatter:fnc_subInfoValueFormatter,
 		cellClick:function(e, cell){
 			var objid = fnc_checkNull(cell.getData().OBJID);
-			fn_WBSRegist(objid);
+			wbs_popup(objid);
 		}
 	},
 
@@ -441,6 +441,17 @@ function getCheckedRows() {
 	}
 	return [];
 }
+
+function wbs_popup(objId,categoryCd){
+	
+	var popup_width = 1700;
+	var popup_height = 800;		
+	var objId  = objId;
+	var params = "?OBJID="+objId+"&CATEGORY_CD="+categoryCd;
+	//var url = "/project/wbsTaskProductGanttFormPopUp.do"+params;
+	var url = "/project/wbsTaskProductFormPopUp.do"+params;
+	fn_centerPopup(popup_width, popup_height, url);
+}
 </script>
 
 	<!-- hiddenForm: POST 방식 팝업 전송용 -->
diff --git a/WebContent/WEB-INF/view/salesMng/purchaseListFormPopUp.jsp b/WebContent/WEB-INF/view/salesMng/purchaseListFormPopUp.jsp
index 6993b80..c510365 100644
--- a/WebContent/WEB-INF/view/salesMng/purchaseListFormPopUp.jsp
+++ b/WebContent/WEB-INF/view/salesMng/purchaseListFormPopUp.jsp
@@ -329,14 +329,36 @@ function fn_initGrid() {
 		// 		return value || '';
 		// 	}
 		// },
-		// 3. 품번
+		// 원본 OBJID들 (숨김 - 저장 시 사용)
+		{
+			title: 'ORIGINAL_OBJIDS',
+			field: 'ORIGINAL_OBJIDS',
+			frozen: true,
+			visible: false
+		},
+		// 그룹화된 행 수 (숨김)
+		{
+			title: 'GROUPED_COUNT',
+			field: 'GROUPED_COUNT',
+			frozen: true,
+			visible: false
+		},
+		// 3. 품번 (합쳐진 경우 표시)
 		{
 			headerHozAlign: 'center',
 			hozAlign: 'left',
 			widthGrow: 2,
 			title: '품번',
 			field: 'PART_NO',
-			frozen: true
+			frozen: true,
+			formatter: function(cell) {
+				var value = cell.getValue() || '';
+				var groupedCount = cell.getRow().getData().GROUPED_COUNT || 1;
+				if(groupedCount > 1) {
+					return value + ' <span style="color: #ff9800; font-size: 11px;">(합계 ' + groupedCount + '건)</span>';
+				}
+				return value;
+			}
 		},
 		// 4. 품명
 		{
diff --git a/src/com/pms/common/utils/Constants.java b/src/com/pms/common/utils/Constants.java
index 11659fd..d95be36 100644
--- a/src/com/pms/common/utils/Constants.java
+++ b/src/com/pms/common/utils/Constants.java
@@ -476,20 +476,20 @@ public class Constants {
 		
 		/* SMTP 메일정보 - ERP (일반/기본) */
 		public static final String SMTP_USER    = "erp@rps-korea.com";
-		public static final String SMTP_USER_PW = "Plmrps123!!";
-		public static final String SMTP_HOST    = "gwa.rps-korea.com";
+		public static final String SMTP_USER_PW = "wace";
+		public static final String SMTP_HOST    = "erp.rps-korea.com";
 		public static final int    SMTP_PORT    = 25;
 		
 		/* SMTP 메일정보 - 영업팀 (견적서 등) */
 		public static final String SMTP_USER_SALES    = "sales@rps-korea.com";
 		public static final String SMTP_USER_PW_SALES = "rpstech6125!!";
-		public static final String SMTP_HOST_SALES    = "wblock.rps-korea.com";
+		public static final String SMTP_HOST_SALES    = "erp.rps-korea.com";
 		public static final int    SMTP_PORT_SALES    = 25;
 		
 		/* SMTP 메일정보 - 구매팀 (발주서 등) */
-		public static final String SMTP_USER_PURCHASE    = "erp@rps-korea.com";
-		public static final String SMTP_USER_PW_PURCHASE = "Plmrps123!!";
-		public static final String SMTP_HOST_PURCHASE    = "gwa.rps-korea.com";
+		public static final String SMTP_USER_PURCHASE    = "purchase@rps-korea.com";
+		public static final String SMTP_USER_PW_PURCHASE = "purchase";
+		public static final String SMTP_HOST_PURCHASE    = "erp.rps-korea.com";
 		public static final int    SMTP_PORT_PURCHASE    = 25;
 		
 		/**
diff --git a/src/com/pms/mapper/productionplanning.xml b/src/com/pms/mapper/productionplanning.xml
index 68481ed..467f944 100644
--- a/src/com/pms/mapper/productionplanning.xml
+++ b/src/com/pms/mapper/productionplanning.xml
@@ -4523,7 +4523,12 @@
 				COALESCE((SELECT SUM(RESULT_QTY) FROM PRODUCTION_RESULT PR WHERE PR.PROJECT_OBJID = PM.OBJID::VARCHAR AND PR.RESULT_TYPE = 'ASSEMBLY' AND PR.STATUS = 'active'), 0) AS ASSEMBLY_QTY,
 				COALESCE((SELECT SUM(RESULT_QTY) FROM PRODUCTION_RESULT PR WHERE PR.PROJECT_OBJID = PM.OBJID::VARCHAR AND PR.RESULT_TYPE = 'INSPECTION' AND PR.STATUS = 'active'), 0) AS INSPECTION_QTY,
 				COALESCE((SELECT SUM(RESULT_QTY) FROM PRODUCTION_RESULT PR WHERE PR.PROJECT_OBJID = PM.OBJID::VARCHAR AND PR.RESULT_TYPE = 'SHIP_WAIT' AND PR.STATUS = 'active'), 0) AS SHIP_WAIT_QTY,
-				'' AS EQUIPMENT_WBS,
+				-- '' AS EQUIPMENT_WBS,
+				(SELECT COUNT(1) FROM PMS_WBS_TASK AS O WHERE O.CONTRACT_OBJID = PM.OBJID AND (
+					O.PRODUCE_PLAN_START !='' OR O.PRODUCE_PLAN_END !='' OR O.PRODUCE_ACT_START!='' OR O.PRODUCE_ACT_END !='' OR O.PRODUCE_USER_ID !=''
+					OR O.DESIGN_USER_ID !='' OR O.DESIGN_PLAN_START !='' OR O.DESIGN_PLAN_END !='' OR O.DESIGN_ACT_START !='' OR O.DESIGN_ACT_END !=''
+					OR O.PURCHASE_USER_ID !='' OR O.PURCHASE_PLAN_START !='' OR O.PURCHASE_PLAN_END !='' OR O.PURCHASE_ACT_START !='' OR O.PURCHASE_ACT_END !=''
+				)) AS EQUIPMENT_WBS,
 				PP.OBJID AS PROD_PLAN_OBJID,
 				PM.REGDATE AS SORT_DATE,
 				PP.WRITER,
@@ -4577,7 +4582,7 @@
 				COALESCE((SELECT SUM(RESULT_QTY) FROM PRODUCTION_RESULT PR WHERE PR.PROJECT_OBJID = PP.OBJID::VARCHAR AND PR.RESULT_TYPE = 'ASSEMBLY' AND PR.STATUS = 'active'), 0) AS ASSEMBLY_QTY,
 				COALESCE((SELECT SUM(RESULT_QTY) FROM PRODUCTION_RESULT PR WHERE PR.PROJECT_OBJID = PP.OBJID::VARCHAR AND PR.RESULT_TYPE = 'INSPECTION' AND PR.STATUS = 'active'), 0) AS INSPECTION_QTY,
 				COALESCE((SELECT SUM(RESULT_QTY) FROM PRODUCTION_RESULT PR WHERE PR.PROJECT_OBJID = PP.OBJID::VARCHAR AND PR.RESULT_TYPE = 'SHIP_WAIT' AND PR.STATUS = 'active'), 0) AS SHIP_WAIT_QTY,
-				'' AS EQUIPMENT_WBS,
+				0 AS EQUIPMENT_WBS,
 				PP.OBJID AS PROD_PLAN_OBJID,
 				PP.REGDATE AS SORT_DATE,
 				PP.WRITER,
diff --git a/src/com/pms/mapper/salesMng.xml b/src/com/pms/mapper/salesMng.xml
index 1d20370..3061ba6 100644
--- a/src/com/pms/mapper/salesMng.xml
+++ b/src/com/pms/mapper/salesMng.xml
@@ -3196,7 +3196,8 @@ UPDATE SET
 		SRP.REGDATE
 </select>
 
-<!-- M-BOM에서 구매리스트 데이터 가져오기 (STATUS 조건 없음, LEFT JOIN으로 모든 데이터 조회) -->
+<!-- M-BOM에서 구매리스트 데이터 가져오기 (품번별 그룹핑 버전) -->
+<!-- 동일 품번은 수량 합산, 단가/업체는 대표값 사용 -->
 <select id="getMBomForPurchaseList" parameterType="map" resultType="com.pms.common.UpperKeyMap">
 WITH RECURSIVE VIEW_BOM(
 	MBOM_HEADER_OBJID,
@@ -3310,6 +3311,332 @@ WITH RECURSIVE VIEW_BOM(
 		MH.PROJECT_OBJID::VARCHAR = #{PROJECT_MGMT_OBJID}
 		OR MH.OBJID::VARCHAR = #{PROJECT_MGMT_OBJID}
 	)
+   
+	UNION ALL
+   
+	SELECT
+		B.MBOM_HEADER_OBJID,
+		B.OBJID,
+		B.PARENT_OBJID,
+		B.CHILD_OBJID,
+		B.PART_OBJID,
+		B.PART_NO,
+		B.PART_NAME,
+		B.QTY,
+		B.QTY,
+		B.QTY,
+		B.REGDATE,
+		B.SEQ,
+		B.STATUS,
+		LEV + 1,
+		PATH||B.CHILD_OBJID::TEXT,
+		PATH2||B.SEQ::TEXT,
+		B.PARENT_OBJID = ANY(PATH),
+		B.UNIT,
+		B.SUPPLY_TYPE,
+		B.MAKE_OR_BUY,
+		B.RAW_MATERIAL_PART_NO,
+		B.RAW_MATERIAL_SPEC,
+		B.RAW_MATERIAL,
+		B.RAW_MATERIAL_SIZE,
+		B.PROCESSING_VENDOR,
+		B.PROCESSING_DEADLINE,
+		B.GRINDING_DEADLINE,
+		B.REQUIRED_QTY,
+		B.ORDER_QTY,
+		B.PRODUCTION_QTY,
+		B.STOCK_QTY,
+		B.SHORTAGE_QTY,
+		B.VENDOR,
+		B.UNIT_PRICE,
+		B.TOTAL_PRICE,
+		B.CURRENCY,
+		B.LEAD_TIME,
+		B.MIN_ORDER_QTY,
+		B.WRITER,
+		B.EDITER,
+		B.EDIT_DATE,
+		B.REMARK,
+		COALESCE(B.USE_YN, 'Y'),
+		COALESCE(B.NET_QTY, 0),
+		COALESCE(B.PO_QTY, 0),
+		B.PROPOSAL_DATE,
+		B.PROCESSING_PROPOSAL_DATE,
+		COALESCE(B.PROCESSING_UNIT_PRICE, 0),
+		COALESCE(B.PROCESSING_TOTAL_PRICE, 0),
+		COALESCE(B.GRAND_TOTAL_PRICE, 0)
+	FROM
+		MBOM_DETAIL B
+	JOIN
+		VIEW_BOM
+	ON B.PARENT_OBJID = VIEW_BOM.CHILD_OBJID
+	AND VIEW_BOM.MBOM_HEADER_OBJID = B.MBOM_HEADER_OBJID
+),
+/* 품번 + 자급/사급 + 소재재질 + 규격이 같은 경우만 그룹핑 */
+/* MBOM_DETAIL 테이블의 RAW_MATERIAL, RAW_MATERIAL_SIZE 값만 사용 */
+GROUPED_BOM AS (
+	SELECT
+		V.PART_NO,
+		V.PART_OBJID,
+		/* 그룹핑 조건 컬럼들 (MBOM_DETAIL 값만 사용) */
+		COALESCE(V.SUPPLY_TYPE, '') AS SUPPLY_TYPE,
+		COALESCE(V.RAW_MATERIAL, '') AS RAW_MATERIAL,
+		COALESCE(V.RAW_MATERIAL_SIZE, '') AS RAW_MATERIAL_SIZE,
+		/* 원본 OBJID들 (콤마로 연결) */
+		STRING_AGG(V.OBJID::VARCHAR, ',' ORDER BY V.OBJID) AS ORIGINAL_OBJIDS,
+		/* 대표 OBJID (가장 작은 값) */
+		MIN(V.OBJID) AS OBJID,
+		/* 수량 합산 (문자열을 NUMERIC으로 캐스팅) */
+		SUM(COALESCE(NULLIF(V.REQUIRED_QTY::TEXT, '')::NUMERIC, 0)) AS REQUIRED_QTY,
+		SUM(COALESCE(NULLIF(V.PRODUCTION_QTY::TEXT, '')::NUMERIC, 0)) AS PRODUCTION_QTY,
+		SUM(COALESCE(V.NET_QTY, 0)) AS NET_QTY,
+		SUM(COALESCE(V.PO_QTY, 0)) AS PO_QTY,
+		SUM(COALESCE(NULLIF(V.ORDER_QTY::TEXT, '')::NUMERIC, 0)) AS ORDER_QTY,
+		SUM(COALESCE(NULLIF(V.STOCK_QTY::TEXT, '')::NUMERIC, 0)) AS STOCK_QTY,
+		SUM(COALESCE(NULLIF(V.SHORTAGE_QTY::TEXT, '')::NUMERIC, 0)) AS SHORTAGE_QTY,
+		/* 첫번째 값 사용 (대표값) */
+		MIN(V.MBOM_HEADER_OBJID) AS MBOM_HEADER_OBJID,
+		MIN(V.PARENT_OBJID) AS PARENT_OBJID,
+		MIN(V.CHILD_OBJID) AS CHILD_OBJID,
+		MIN(V.PART_NAME) AS PART_NAME,
+		SUM(COALESCE(NULLIF(V.QTY::TEXT, '')::NUMERIC, 0)) AS QTY,
+		MIN(V.SEQ) AS SEQ,
+		MIN(V.STATUS) AS STATUS,
+		MIN(V.LEV) AS LEV,
+		MIN(V.UNIT) AS UNIT,
+		MIN(V.MAKE_OR_BUY) AS MAKE_OR_BUY,
+		MIN(V.RAW_MATERIAL_PART_NO) AS RAW_MATERIAL_PART_NO,
+		MIN(V.RAW_MATERIAL_SPEC) AS RAW_MATERIAL_SPEC,
+		MIN(V.PROCESSING_VENDOR) AS PROCESSING_VENDOR,
+		MIN(V.PROCESSING_DEADLINE) AS PROCESSING_DEADLINE,
+		MIN(V.GRINDING_DEADLINE) AS GRINDING_DEADLINE,
+		MIN(V.VENDOR) AS VENDOR,
+		MIN(V.UNIT_PRICE) AS UNIT_PRICE,
+		MIN(V.TOTAL_PRICE) AS TOTAL_PRICE,
+		MIN(V.CURRENCY) AS CURRENCY,
+		MIN(V.LEAD_TIME) AS LEAD_TIME,
+		MIN(V.MIN_ORDER_QTY) AS MIN_ORDER_QTY,
+		MIN(V.WRITER) AS WRITER,
+		MIN(V.REGDATE) AS REGDATE,
+		MIN(V.EDITER) AS EDITER,
+		MIN(V.EDIT_DATE) AS EDIT_DATE,
+		MIN(V.REMARK) AS REMARK,
+		MIN(V.USE_YN) AS USE_YN,
+		MIN(V.PROPOSAL_DATE) AS PROPOSAL_DATE,
+		MIN(V.PROCESSING_PROPOSAL_DATE) AS PROCESSING_PROPOSAL_DATE,
+		MIN(V.PROCESSING_UNIT_PRICE) AS PROCESSING_UNIT_PRICE,
+		MIN(V.PROCESSING_TOTAL_PRICE) AS PROCESSING_TOTAL_PRICE,
+		MIN(V.GRAND_TOTAL_PRICE) AS GRAND_TOTAL_PRICE,
+		/* 그룹에 포함된 행 수 */
+		COUNT(*) AS GROUPED_COUNT
+	FROM VIEW_BOM V
+	WHERE COALESCE(V.PRODUCTION_QTY, 0) > 0
+	GROUP BY V.PART_NO, V.PART_OBJID, 
+		COALESCE(V.SUPPLY_TYPE, ''), 
+		COALESCE(V.RAW_MATERIAL, ''), 
+		COALESCE(V.RAW_MATERIAL_SIZE, '')
+)
+SELECT
+	G.MBOM_HEADER_OBJID AS BOM_REPORT_OBJID,
+	G.OBJID,
+	G.ORIGINAL_OBJIDS,
+	G.GROUPED_COUNT,
+	G.PARENT_OBJID,
+	G.CHILD_OBJID,
+	G.PART_OBJID,
+	G.PART_OBJID AS LAST_PART_OBJID,
+	G.PART_OBJID AS BOM_LAST_PART_OBJID,
+	G.PART_NO,
+	G.PART_NAME,
+	G.QTY,
+	G.QTY AS ITEM_QTY,
+	G.QTY AS QTY_TEMP,
+	G.LEV AS LEVEL,
+	0 AS SUB_PART_CNT,
+	G.SEQ,
+	G.STATUS,
+	G.UNIT,
+	G.SUPPLY_TYPE,
+	G.MAKE_OR_BUY,
+	G.RAW_MATERIAL_PART_NO AS RAW_MATERIAL_NO,
+	G.RAW_MATERIAL_SPEC,
+	G.RAW_MATERIAL,
+	G.RAW_MATERIAL_SIZE AS SIZE,
+	G.PROCESSING_VENDOR,
+	G.PROCESSING_DEADLINE,
+	G.GRINDING_DEADLINE,
+	G.REQUIRED_QTY,
+	G.ORDER_QTY,
+	G.PRODUCTION_QTY,
+	G.STOCK_QTY,
+	G.SHORTAGE_QTY,
+	G.VENDOR AS VENDOR_PM,
+	(SELECT SUPPLY_NAME FROM ADMIN_SUPPLY_MNG WHERE OBJID::VARCHAR = G.VENDOR) AS VENDOR_NAME,
+	G.UNIT_PRICE,
+	G.TOTAL_PRICE,
+	G.CURRENCY,
+	G.LEAD_TIME,
+	G.MIN_ORDER_QTY,
+	G.WRITER,
+	TO_CHAR(G.REGDATE, 'YYYY-MM-DD HH24:MI:SS') AS REGDATE,
+	G.EDITER,
+	CASE WHEN G.EDIT_DATE IS NOT NULL THEN TO_CHAR(G.EDIT_DATE, 'YYYY-MM-DD HH24:MI:SS') ELSE NULL END AS EDIT_DATE,
+	G.REMARK,
+	NULL AS PARENT_PART_NO,
+	NULL AS CONTRACT_OBJID,
+	G.OBJID AS ROOT_OBJID,
+	G.OBJID AS SUB_ROOT_OBJID,
+	1 AS LEAF,
+	P.SPEC,
+	COALESCE(P.MATERIAL, G.RAW_MATERIAL) AS MATERIAL,
+	P.WEIGHT,
+	P.PART_TYPE,
+	P.REVISION,
+	COALESCE(P.MAKER, G.VENDOR) AS VENDOR,
+	P.THICKNESS,
+	P.WIDTH,
+	P.HEIGHT,
+	P.OUT_DIAMETER,
+	P.IN_DIAMETER,
+	P.LENGTH,
+	P.SOURCING_CODE,
+	COALESCE(P.HEAT_TREATMENT_HARDNESS, '') AS HEAT_TREATMENT_HARDNESS,
+	COALESCE(P.HEAT_TREATMENT_METHOD, '') AS HEAT_TREATMENT_METHOD,
+	COALESCE(P.SURFACE_TREATMENT, '') AS SURFACE_TREATMENT,
+	(SELECT CODE_NAME FROM COMM_CODE CC WHERE CC.CODE_ID = P.UNIT) AS UNIT_TITLE,
+	(SELECT CODE_NAME FROM COMM_CODE CC WHERE CC.CODE_ID = P.PART_TYPE) AS PART_TYPE_TITLE,
+	(SELECT COUNT(1) FROM ATTACH_FILE_INFO F WHERE P.OBJID = F.TARGET_OBJID AND F.STATUS = 'Active' AND F.DOC_TYPE IN ('3D_CAD')) AS CU01_CNT,
+	(SELECT COUNT(1) FROM ATTACH_FILE_INFO F WHERE P.OBJID = F.TARGET_OBJID AND F.STATUS = 'Active' AND F.DOC_TYPE IN ('2D_DRAWING_CAD')) AS CU02_CNT,
+	(SELECT COUNT(1) FROM ATTACH_FILE_INFO F WHERE P.OBJID = F.TARGET_OBJID AND F.STATUS = 'Active' AND F.DOC_TYPE IN ('2D_PDF_CAD')) AS CU03_CNT,
+	G.LEV,
+	G.USE_YN,
+	G.NET_QTY,
+	G.PO_QTY,
+	G.PROPOSAL_DATE,
+	G.PROCESSING_PROPOSAL_DATE,
+	G.PROCESSING_UNIT_PRICE,
+	G.PROCESSING_TOTAL_PRICE,
+	G.GRAND_TOTAL_PRICE,
+	'MBOM' AS DATA_SOURCE
+FROM GROUPED_BOM G
+LEFT JOIN PART_MNG P ON P.OBJID::VARCHAR = G.PART_OBJID::VARCHAR
+ORDER BY G.PART_NO
+</select>
+
+<!-- M-BOM에서 구매리스트 데이터 가져오기 (백업용 - 개별 행 버전) -->
+<select id="getMBomForPurchaseList_old" parameterType="map" resultType="com.pms.common.UpperKeyMap">
+WITH RECURSIVE VIEW_BOM(
+	MBOM_HEADER_OBJID,
+	OBJID,
+	PARENT_OBJID,
+	CHILD_OBJID,
+	PART_OBJID,
+	PART_NO,
+	PART_NAME,
+	QTY,
+	ITEM_QTY,
+	QTY_TEMP,
+	REGDATE,
+	SEQ,
+	STATUS,
+	LEV,
+	PATH,
+	PATH2,
+	CYCLE,
+	UNIT,
+	SUPPLY_TYPE,
+	MAKE_OR_BUY,
+	RAW_MATERIAL_PART_NO,
+	RAW_MATERIAL_SPEC,
+	RAW_MATERIAL,
+	RAW_MATERIAL_SIZE,
+	PROCESSING_VENDOR,
+	PROCESSING_DEADLINE,
+	GRINDING_DEADLINE,
+	REQUIRED_QTY,
+	ORDER_QTY,
+	PRODUCTION_QTY,
+	STOCK_QTY,
+	SHORTAGE_QTY,
+	VENDOR,
+	UNIT_PRICE,
+	TOTAL_PRICE,
+	CURRENCY,
+	LEAD_TIME,
+	MIN_ORDER_QTY,
+	WRITER,
+	EDITER,
+	EDIT_DATE,
+	REMARK,
+	USE_YN,
+	NET_QTY,
+	PO_QTY,
+	PROPOSAL_DATE,
+	PROCESSING_PROPOSAL_DATE,
+	PROCESSING_UNIT_PRICE,
+	PROCESSING_TOTAL_PRICE,
+	GRAND_TOTAL_PRICE
+) AS (
+	SELECT
+		A.MBOM_HEADER_OBJID,
+		A.OBJID,
+		A.PARENT_OBJID,
+		A.CHILD_OBJID,
+		A.PART_OBJID,
+		A.PART_NO,
+		A.PART_NAME,
+		A.QTY,
+		A.QTY,
+		A.QTY,
+		A.REGDATE,
+		A.SEQ,
+		A.STATUS,
+		1,
+		ARRAY [A.CHILD_OBJID::TEXT],
+		ARRAY [A.SEQ::TEXT],
+		FALSE,
+		A.UNIT,
+		A.SUPPLY_TYPE,
+		A.MAKE_OR_BUY,
+		A.RAW_MATERIAL_PART_NO,
+		A.RAW_MATERIAL_SPEC,
+		A.RAW_MATERIAL,
+		A.RAW_MATERIAL_SIZE,
+		A.PROCESSING_VENDOR,
+		A.PROCESSING_DEADLINE,
+		A.GRINDING_DEADLINE,
+		A.REQUIRED_QTY,
+		A.ORDER_QTY,
+		A.PRODUCTION_QTY,
+		A.STOCK_QTY,
+		A.SHORTAGE_QTY,
+		A.VENDOR,
+		A.UNIT_PRICE,
+		A.TOTAL_PRICE,
+		A.CURRENCY,
+		A.LEAD_TIME,
+		A.MIN_ORDER_QTY,
+		A.WRITER,
+		A.EDITER,
+		A.EDIT_DATE,
+		A.REMARK,
+		COALESCE(A.USE_YN, 'Y'),
+		COALESCE(A.NET_QTY, 0),
+		COALESCE(A.PO_QTY, 0),
+		A.PROPOSAL_DATE,
+		A.PROCESSING_PROPOSAL_DATE,
+		COALESCE(A.PROCESSING_UNIT_PRICE, 0),
+		COALESCE(A.PROCESSING_TOTAL_PRICE, 0),
+		COALESCE(A.GRAND_TOTAL_PRICE, 0)
+	FROM
+		MBOM_DETAIL A
+	INNER JOIN MBOM_HEADER MH ON MH.OBJID = A.MBOM_HEADER_OBJID
+	WHERE 1=1
+	AND (A.PARENT_OBJID IS NULL OR A.PARENT_OBJID = '')
+	AND (
+		MH.PROJECT_OBJID::VARCHAR = #{PROJECT_MGMT_OBJID}
+		OR MH.OBJID::VARCHAR = #{PROJECT_MGMT_OBJID}
+	)
 	<!-- STATUS 조건 제거하여 모든 데이터 조회 -->
    
 	UNION ALL
@@ -4008,23 +4335,49 @@ ORDER BY V.PATH2
 </update>
 
 <!-- 품의서 생성 후 PROPOSAL_DATE 업데이트 (M-BOM - MBOM_DETAIL) - 소재 -->
+<!-- 동일 품번(PART_OBJID)의 모든 MBOM_DETAIL 행 업데이트 (품번 합쳐진 경우 대응) -->
 <update id="updateProposalDateForMBomParts" parameterType="map">
 	UPDATE MBOM_DETAIL
 	SET PROPOSAL_DATE = NOW()
-	WHERE OBJID IN
-	<foreach collection="PART_OBJIDS" item="objid" open="(" separator="," close=")">
-		#{objid}
-	</foreach>
+	WHERE OBJID IN (
+		SELECT MD2.OBJID 
+		FROM MBOM_DETAIL MD2
+		WHERE MD2.PART_OBJID IN (
+			SELECT MD3.PART_OBJID FROM MBOM_DETAIL MD3 WHERE MD3.OBJID IN
+			<foreach collection="PART_OBJIDS" item="objid" open="(" separator="," close=")">
+				#{objid}
+			</foreach>
+		)
+		AND MD2.MBOM_HEADER_OBJID IN (
+			SELECT MD3.MBOM_HEADER_OBJID FROM MBOM_DETAIL MD3 WHERE MD3.OBJID IN
+			<foreach collection="PART_OBJIDS" item="objid" open="(" separator="," close=")">
+				#{objid}
+			</foreach>
+		)
+	)
 </update>
 
 <!-- 품의서 생성 후 PROCESSING_PROPOSAL_DATE 업데이트 (M-BOM - MBOM_DETAIL) - 가공 -->
+<!-- 동일 품번(PART_OBJID)의 모든 MBOM_DETAIL 행 업데이트 (품번 합쳐진 경우 대응) -->
 <update id="updateProcessingProposalDateForMBomParts" parameterType="map">
 	UPDATE MBOM_DETAIL
 	SET PROCESSING_PROPOSAL_DATE = NOW()
-	WHERE OBJID IN
-	<foreach collection="PART_OBJIDS" item="objid" open="(" separator="," close=")">
-		#{objid}
-	</foreach>
+	WHERE OBJID IN (
+		SELECT MD2.OBJID 
+		FROM MBOM_DETAIL MD2
+		WHERE MD2.PART_OBJID IN (
+			SELECT MD3.PART_OBJID FROM MBOM_DETAIL MD3 WHERE MD3.OBJID IN
+			<foreach collection="PART_OBJIDS" item="objid" open="(" separator="," close=")">
+				#{objid}
+			</foreach>
+		)
+		AND MD2.MBOM_HEADER_OBJID IN (
+			SELECT MD3.MBOM_HEADER_OBJID FROM MBOM_DETAIL MD3 WHERE MD3.OBJID IN
+			<foreach collection="PART_OBJIDS" item="objid" open="(" separator="," close=")">
+				#{objid}
+			</foreach>
+		)
+	)
 </update>
 
 <!-- 품의서 목록 조회 -->
@@ -4813,6 +5166,7 @@ ORDER BY V.PATH2
 </update>
 
 <!-- MBOM_DETAIL 단가 업데이트 (견적 수신 후) -->
+<!-- 동일 품번(PART_OBJID)의 모든 MBOM_DETAIL 행 업데이트 (품번 합쳐진 경우 대응) -->
 <update id="updatePurchaseListPriceFromQuotation" parameterType="map">
 	UPDATE MBOM_DETAIL SET
 		<if test="VENDOR_TYPE == 'SUPPLY'">
@@ -4822,7 +5176,12 @@ ORDER BY V.PATH2
 		PROCESSING_UNIT_PRICE = #{UNIT_PRICE}::NUMERIC
 		</if>
 		, EDIT_DATE = NOW()
-	WHERE OBJID = #{SALES_REQUEST_PART_OBJID}
+	WHERE OBJID IN (
+		SELECT MD2.OBJID 
+		FROM MBOM_DETAIL MD2
+		WHERE MD2.PART_OBJID = (SELECT PART_OBJID FROM MBOM_DETAIL WHERE OBJID = #{SALES_REQUEST_PART_OBJID})
+		AND MD2.MBOM_HEADER_OBJID = (SELECT MBOM_HEADER_OBJID FROM MBOM_DETAIL WHERE OBJID = #{SALES_REQUEST_PART_OBJID})
+	)
 </update>
 
 <!-- MBOM_DETAIL 단가 초기화 (재수주 시 기존 단가 삭제) -->
diff --git a/src/com/pms/salesmgmt/service/SalesMngService.java b/src/com/pms/salesmgmt/service/SalesMngService.java
index d0e8b59..8abb060 100644
--- a/src/com/pms/salesmgmt/service/SalesMngService.java
+++ b/src/com/pms/salesmgmt/service/SalesMngService.java
@@ -1810,6 +1810,7 @@ public class SalesMngService {
 			for(Map itemData : purchaseList) {
 				String objid = CommonUtils.checkNull(itemData.get("OBJID"));
 				String dataSource = CommonUtils.checkNull(itemData.get("DATA_SOURCE"));
+				String originalObjids = CommonUtils.checkNull(itemData.get("ORIGINAL_OBJIDS"));
 				
 				if(objid.isEmpty()) {
 					System.out.println("OBJID가 없는 항목 스킵");
@@ -1824,8 +1825,40 @@ public class SalesMngService {
 					sqlSession.update("salesMng.updateSalesRequestPartForPurchase", itemData);
 				} else {
 					// MBOM_DETAIL 테이블 업데이트 (M-BOM에서 가져온 품목)
-					System.out.println("MBOM_DETAIL 업데이트: " + objid);
-					sqlSession.update("salesMng.updateMbomDetailForPurchase", itemData);
+					// ORIGINAL_OBJIDS가 있으면 다중 OBJID 처리 (품번 합쳐진 경우)
+					if(!originalObjids.isEmpty() && originalObjids.contains(",")) {
+						// 콤마로 분리된 OBJID 목록
+						String[] objidArray = originalObjids.split(",");
+						System.out.println("품번 합쳐진 경우 - 원본 OBJID " + objidArray.length + "개 업데이트");
+						
+						// 원본 정미수량/발주수량 저장
+						String originalNetQty = CommonUtils.checkNull(itemData.get("NET_QTY"));
+						String originalPoQty = CommonUtils.checkNull(itemData.get("PO_QTY"));
+						
+						for(int i = 0; i < objidArray.length; i++) {
+							String targetObjid = objidArray[i].trim();
+							Map updateParam = new HashMap(itemData);
+							updateParam.put("OBJID", targetObjid);
+							
+							if(i == 0) {
+								// 첫번째(대표) OBJID: 합계값 저장
+								updateParam.put("NET_QTY", originalNetQty);
+								updateParam.put("PO_QTY", originalPoQty);
+							} else {
+								// 나머지 OBJID: 정미수량/발주수량 0으로 저장
+								updateParam.put("NET_QTY", "0");
+								updateParam.put("PO_QTY", "0");
+							}
+							
+							System.out.println("MBOM_DETAIL 업데이트: " + targetObjid + 
+								" (NET_QTY=" + updateParam.get("NET_QTY") + ", PO_QTY=" + updateParam.get("PO_QTY") + ")");
+							sqlSession.update("salesMng.updateMbomDetailForPurchase", updateParam);
+						}
+					} else {
+						// 단일 OBJID (합쳐지지 않은 경우)
+						System.out.println("MBOM_DETAIL 업데이트: " + objid);
+						sqlSession.update("salesMng.updateMbomDetailForPurchase", itemData);
+					}
 				}
 			}
 			
diff --git a/src/com/pms/service/PurchaseOrderService.java b/src/com/pms/service/PurchaseOrderService.java
index 2839a39..379c5bc 100644
--- a/src/com/pms/service/PurchaseOrderService.java
+++ b/src/com/pms/service/PurchaseOrderService.java
@@ -3108,7 +3108,8 @@ public class PurchaseOrderService {
 				fromUser = CommonUtils.checkNull((String)masterInfo.get("WRITER"));
 			}
 			
-			boolean sendResult = MailUtil.sendMailWithAttachFile(fromUser, fromEmail, toUserIdList, toEmailList, ccEmailList, null, null, subject, mailContents, attachFileList, "PURCHASE_ORDER");
+			// 발주서 메일은 PURCHASE 계정 사용
+			boolean sendResult = MailUtil.sendMailWithAttachFile(fromUser, fromEmail, toUserIdList, toEmailList, ccEmailList, null, null, subject, mailContents, attachFileList, "PURCHASE_ORDER", Constants.Mail.ACCOUNT_TYPE_PURCHASE);
 			
 			if(sendResult) {
 				// 메일 발송 성공 시 DB 업데이트