diff --git a/backend-node/package-lock.json b/backend-node/package-lock.json
index 12507fbc..04f4f11c 100644
--- a/backend-node/package-lock.json
+++ b/backend-node/package-lock.json
@@ -16,6 +16,7 @@
         "cheerio": "^1.2.0",
         "compression": "^1.7.4",
         "cors": "^2.8.5",
+        "csv-parse": "^6.2.1",
         "docx": "^9.5.1",
         "dotenv": "^16.3.1",
         "express": "^4.18.2",
@@ -5314,6 +5315,12 @@
         "url": "https://github.com/sponsors/fb55"
       }
     },
+    "node_modules/csv-parse": {
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/csv-parse/-/csv-parse-6.2.1.tgz",
+      "integrity": "sha512-LRLMV+UCyfMokp8Wb411duBf1gaBKJfOfBWU9eHMJ+b+cJYZsNu3AFmjJf3+yPGd59Exz1TsMjaSFyxnYB9+IQ==",
+      "license": "MIT"
+    },
     "node_modules/debug": {
       "version": "4.4.3",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
diff --git a/backend-node/package.json b/backend-node/package.json
index 23360432..527c068f 100644
--- a/backend-node/package.json
+++ b/backend-node/package.json
@@ -30,6 +30,7 @@
     "cheerio": "^1.2.0",
     "compression": "^1.7.4",
     "cors": "^2.8.5",
+    "csv-parse": "^6.2.1",
     "docx": "^9.5.1",
     "dotenv": "^16.3.1",
     "express": "^4.18.2",
diff --git a/backend-node/src/services/devBomExcelImportService.ts b/backend-node/src/services/devBomExcelImportService.ts
index b118aced..7500d497 100644
--- a/backend-node/src/services/devBomExcelImportService.ts
+++ b/backend-node/src/services/devBomExcelImportService.ts
@@ -39,6 +39,7 @@
 // ============================================================
 
 import * as iconv from "iconv-lite";
+import { parse as parseCsvSync } from "csv-parse/sync";
 import { PoolClient } from "pg";
 import { getPool, transaction } from "../database/db";
 import { logger } from "../utils/logger";
@@ -187,26 +188,31 @@ export async function parseAndValidate(buffer: Buffer): Promise<{
   encoding: string;
 }> {
   const { text, encoding } = detectAndDecode(buffer);
-  const lines = text.split(/\r\n|\r|\n/);
+
+  // RFC4180 호환 파서 — 따옴표 내부 콤마/줄바꿈, "" 이스케이프 모두 안전 처리
+  // (이전: line.split(",") 단순 split → 따옴표 안 콤마/멀티라인 셀 깨짐)
+  // relax_quotes / relax_column_count : 운영판 wace 사용자가 만든 CSV 의 비정형 quote 도 관대 처리
+  const allRows: string[][] = parseCsvSync(text, {
+    columns: false,
+    skip_empty_lines: false,
+    relax_quotes: true,
+    relax_column_count: true,
+    trim: false,
+  });
 
   // 1차 스캔: 모든 자품번 + 수준→품번 매핑 (wace 1:1)
   const allPartNumbers = new Set<string>();
-  const allRows: string[][] = [];
   const levelToPartNoMap = new Map<string, string>();
 
-  for (let i = 0; i < lines.length; i++) {
-    if (lines[i] === undefined) continue;
-    const values = lines[i].split(",");
-    allRows.push(values);
-    if (i > 0 && values.length > 1) {
-      let level = (values[0] ?? "").trim();
-      let partNo = (values[1] ?? "").trim();
-      if (level.length > 1 && level.startsWith('"') && level.endsWith('"')) level = level.substring(1, level.length - 1);
-      if (partNo.length > 1 && partNo.startsWith('"') && partNo.endsWith('"')) partNo = partNo.substring(1, partNo.length - 1);
-      if (partNo) {
-        allPartNumbers.add(partNo);
-        if (level) levelToPartNoMap.set(level, partNo);
-      }
+  for (let i = 0; i < allRows.length; i++) {
+    const values = allRows[i];
+    if (!values || values.length < 2) continue;
+    if (i === 0) continue; // 헤더
+    const level = (values[0] ?? "").trim();
+    const partNo = (values[1] ?? "").trim();
+    if (partNo) {
+      allPartNumbers.add(partNo);
+      if (level) levelToPartNoMap.set(level, partNo);
     }
   }
 
diff --git a/docs/migration/development/data-sync/02_sequences.sql b/docs/migration/development/data-sync/02_sequences.sql
new file mode 100644
index 00000000..431d0f8c
--- /dev/null
+++ b/docs/migration/development/data-sync/02_sequences.sql
@@ -0,0 +1,37 @@
+-- wace 운영판 매퍼에서 사용하는 시퀀스 5종을 RPS DB 에 생성.
+-- 운영DB last_value 보다 충분히 큰 값으로 setval — 향후 운영 데이터 sync 시 PK 충돌 방지.
+--
+-- 운영DB current last_value (2026-05-12 기준):
+--   seq_bom_qty    179,258  → RPS 200,000
+--   seq_as_no          109  → RPS   1,000
+--   seq_comm_code    1,839  → RPS  10,000
+--   seq_eo_no           62  → RPS   1,000
+--   seq_ecr_no          33  → RPS 이미 존재 (보존)
+--
+-- 매퍼 사용처:
+--   seq_bom_qty   — partMng.relatePartInfo (BOM_PART_QTY.SEQ)
+--   seq_as_no     — 영업관리 (AS 번호 채번)
+--   seq_comm_code — comm_code 신규 등록
+--   seq_ecr_no    — 설계변경 ECR 번호
+--   seq_eo_no     — wace 일부 매퍼 (현재 partMng deploy 는 EO_NO 직접 SUBSTR 채번)
+
+BEGIN;
+
+CREATE SEQUENCE IF NOT EXISTS seq_bom_qty   AS bigint MINVALUE 1 NO CYCLE;
+CREATE SEQUENCE IF NOT EXISTS seq_as_no     AS bigint MINVALUE 1 NO CYCLE;
+CREATE SEQUENCE IF NOT EXISTS seq_comm_code AS bigint MINVALUE 1 NO CYCLE;
+CREATE SEQUENCE IF NOT EXISTS seq_eo_no     AS bigint MINVALUE 1 NO CYCLE;
+
+SELECT setval('seq_bom_qty',   200000, true);
+SELECT setval('seq_as_no',       1000, true);
+SELECT setval('seq_comm_code',  10000, true);
+SELECT setval('seq_eo_no',       1000, true);
+
+COMMIT;
+
+-- 검증
+SELECT sequence_name, last_value
+  FROM information_schema.sequences s
+  JOIN pg_sequences ps ON ps.sequencename = s.sequence_name
+ WHERE sequence_name IN ('seq_bom_qty','seq_as_no','seq_comm_code','seq_ecr_no','seq_eo_no')
+ ORDER BY 1;