{ "module": "kr-suppliers", "itemId": "3168104332", "title": "sejin ((주) 세진건설)", "summary": "Public procurement supplier (3168104332): 19 contracts, KRW 2,452,155,730.", "data": { "kind": "supplier", "business_registration_no": "3168104332", "corp_code": null, "name_en": "sejin", "name_ko": "(주) 세진건설", "established_date": "2003-06-20", "address": "충청남도 서산시 학동8로 12-0 (동문동) 101호", "homepage": null, "manufacturer_type": { "code": "supplier", "raw_ko": "공급" }, "employees_reported": 10, "employees_note": "Self-reported employee count at Korea ON-Line E-Procurement System (KONEPS) registration; may differ from National Pension Service (L1) subscriber counts.", "amount_note": "The 12-month window is by original contract signing date: it covers contracts first signed in the period, and excludes amendments registered in the period to contracts signed earlier. Amounts are in KRW from Korea's Public Procurement Service (KONEPS). The 12-month total counts sole contracts in full and joint contracts by the supplier's share; joint contracts without a published share are counted but not summed. Multi-year contracts count only the current-period amount. Unit-price (framework) contracts are reported separately because their values are ceilings, not spend.", "procurement": { "period": { "from": "2025-11-01", "to": "2026-10-31", "basis": "original_signed_date" }, "contract_count": 19, "joint_contract_count": 0, "total_amount_krw": 2452155730, "by_category": { "goods": { "contract_count": 0, "amount_krw": 0 }, "construction": { "contract_count": 19, "amount_krw": 2452155730 }, "services": { "contract_count": 0, "amount_krw": 0 }, "foreign": { "contract_count": 0, "amount_krw": 0 } }, "by_contract_type": { "lump_sum": { "contract_count": 18, "amount_total_krw": 1013387730, "amount_this_krw": 1013387730, "share_amount_krw": 1013387730 }, "unit_price": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 }, "multi_year": { "contract_count": 1, "amount_total_krw": 5502918000, "amount_this_krw": 1438768000, "share_amount_krw": 1438768000 }, "unknown": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 } }, "top_buyers": [ { "buyer_code": "D150265", "buyer_ko": "한국농어촌공사 충남지역본부 부여지사", "contract_count": 1, "amount_krw": 1438768000 }, { "buyer_code": "4530000", "buyer_ko": "충청남도 서산시", "contract_count": 12, "amount_krw": 468995180 }, { "buyer_code": "4610000", "buyer_ko": "충청남도 예산군", "contract_count": 1, "amount_krw": 259577300 }, { "buyer_code": "6441503", "buyer_ko": "충청남도 건설본부 건설사업부 서부사무소", "contract_count": 1, "amount_krw": 163710000 }, { "buyer_code": "D150228", "buyer_ko": "한국농어촌공사 충남지역본부", "contract_count": 1, "amount_krw": 74052000 } ], "recent_contracts": [ { "contract_no": "R26TA02348403", "title_ko": "대산읍 오지리 일원 상수도관 설치공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-23", "changed_date": null, "amount_total_krw": 101426580, "amount_this_krw": 101426580, "amount_krw": 101426580, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02348403&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02285260", "title_ko": "농어촌 마을공동쉼터 유지보수사업(대산읍 화곡리 외 6개소)", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-06", "changed_date": "2026-10-30", "amount_total_krw": 19403930, "amount_this_krw": 19403930, "amount_krw": 19403930, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02285260&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02217944", "title_ko": "2026년 서산시 마을주민 보호구간 조성사업", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-09-09", "changed_date": "2026-10-27", "amount_total_krw": 47339320, "amount_this_krw": 47339320, "amount_krw": 47339320, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02217944&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02216551", "title_ko": "운산면 와우리 상수도 매설지역 도로유지보수공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-09-09", "changed_date": "2026-10-13", "amount_total_krw": 19970280, "amount_this_krw": 19970280, "amount_krw": 19970280, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02216551&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02164936", "title_ko": "어은천 외 1개소 잡목제거공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-08-21", "changed_date": "2026-09-15", "amount_total_krw": 19790900, "amount_this_krw": 19790900, "amount_krw": 19790900, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02164936&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02052531", "title_ko": "2026년 농촌농업 생활용수 개발사업(덕산면 낙상2리)", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-07-10", "changed_date": null, "amount_total_krw": 259577300, "amount_this_krw": 259577300, "amount_krw": 259577300, "buyer_ko": "충청남도 예산군", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02052531&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02034268", "title_ko": "서산시 공공하수관로 기술진단 정비사업(석남)", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-07-06", "changed_date": "2026-10-26", "amount_total_krw": 157650130, "amount_this_krw": 157650130, "amount_krw": 157650130, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02034268&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01950586", "title_ko": "2026년 공업용수 배수지 제초공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-06-10", "changed_date": "2026-07-08", "amount_total_krw": 20515740, "amount_this_krw": 20515740, "amount_krw": 20515740, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01950586&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01913592", "title_ko": "인더스밸리 수로암거 정비사업", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-05-29", "changed_date": "2026-07-23", "amount_total_krw": 19934210, "amount_this_krw": 19934210, "amount_krw": 19934210, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01913592&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01865002", "title_ko": "예천배수지 법면보수공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-05-14", "changed_date": "2026-06-09", "amount_total_krw": 20440940, "amount_this_krw": 20440940, "amount_krw": 20440940, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01865002&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01740833", "title_ko": "거성리 확포장 공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-04-13", "changed_date": "2026-05-08", "amount_total_krw": 19281000, "amount_this_krw": 19281000, "amount_krw": 19281000, "buyer_ko": "충청남도 서산시 운산면", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01740833&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01697886", "title_ko": "인지면 산동리 322-5번지 오수압송관로 보수공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-04-01", "changed_date": null, "amount_total_krw": 4600000, "amount_this_krw": 4600000, "amount_krw": 4600000, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01697886&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01604537", "title_ko": "명천1리 수로관 설치공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-03-11", "changed_date": "2026-04-07", "amount_total_krw": 13404580, "amount_this_krw": 13404580, "amount_krw": 13404580, "buyer_ko": "충청남도 서산시 성연면", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01604537&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01604439", "title_ko": "명천리 배수로 정비공사 및 옹벽블럭 쌓기공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-03-11", "changed_date": "2026-04-08", "amount_total_krw": 14367670, "amount_this_krw": 14367670, "amount_krw": 14367670, "buyer_ko": "충청남도 서산시 성연면", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01604439&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01539717", "title_ko": "농어촌 공동마을쉼터 유지보수사업(음암면 성암리 외 9개소)", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-02-26", "changed_date": "2026-04-06", "amount_total_krw": 20582710, "amount_this_krw": 20582710, "amount_krw": 20582710, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01539717&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01356929", "title_ko": "중정2지구 수리시설개보수사업 토목공사", "category": "construction", "contract_type": "multi_year", "signed_date": "2026-01-19", "changed_date": "2026-02-27", "amount_total_krw": 5502918000, "amount_this_krw": 1438768000, "amount_krw": 1438768000, "buyer_ko": "한국농어촌공사 충남지역본부 부여지사", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01356929&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01155099", "title_ko": "사점지구 누수계측기 설치공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2025-12-02", "changed_date": "2025-12-18", "amount_total_krw": 74052000, "amount_this_krw": 74052000, "amount_krw": 74052000, "buyer_ko": "한국농어촌공사 충남지역본부", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01155099&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01125755", "title_ko": "웅도리 어장진입로 보수공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2025-11-25", "changed_date": "2025-12-03", "amount_total_krw": 17340440, "amount_this_krw": 17340440, "amount_krw": 17340440, "buyer_ko": "충청남도 서산시", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01125755&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01059076", "title_ko": "위임국도32호 교량 보수보강공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2025-11-06", "changed_date": "2025-12-23", "amount_total_krw": 163710000, "amount_this_krw": 163710000, "amount_krw": 163710000, "buyer_ko": "충청남도 건설본부 건설사업부 서부사무소", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01059076&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" } ], "amount_note": "The 12-month window is by original contract signing date: it covers contracts first signed in the period, and excludes amendments registered in the period to contracts signed earlier. Amounts are in KRW from Korea's Public Procurement Service (KONEPS). The 12-month total counts sole contracts in full and joint contracts by the supplier's share; joint contracts without a published share are counted but not summed. Multi-year contracts count only the current-period amount. Unit-price (framework) contracts are reported separately because their values are ceilings, not spend.", "source_url": "https://www.g2b.go.kr", "verified_at": "2026-11-02T04:36:11.608Z" }, "source_url": "https://www.g2b.go.kr", "verified_at": "2026-11-02T04:36:11.608Z" }, "source_url": "https://www.g2b.go.kr", "verified_at": "2026-11-02T04:36:11.608Z", "updated_at": "2026-11-02T04:36:11.608Z", "notice": "Data from Korea's Public Procurement Service (KONEPS contract and supplier records) via data.go.kr. Corporate suppliers only; sole proprietors are excluded. Not investment advice.", "amount_note": "The 12-month window is by original contract signing date: it covers contracts first signed in the period, and excludes amendments registered in the period to contracts signed earlier. Amounts are in KRW from Korea's Public Procurement Service (KONEPS). The 12-month total counts sole contracts in full and joint contracts by the supplier's share; joint contracts without a published share are counted but not summed. Multi-year contracts count only the current-period amount. Unit-price (framework) contracts are reported separately because their values are ceilings, not spend." }