{ "module": "kr-suppliers", "itemId": "1338137048", "title": "jinwon engineering co.,ltd. (주식회사 도아(到我))", "summary": "Public procurement supplier (1338137048): 7 contracts, KRW 2,304,946,950.", "data": { "kind": "supplier", "business_registration_no": "1338137048", "corp_code": null, "name_en": "jinwon engineering co.,ltd.", "name_ko": "주식회사 도아(到我)", "established_date": "1998-07-10", "address": "경기도 안산시 상록구 장상1길 3 (장상동), 3층", "homepage": null, "manufacturer_type": { "code": "supplier", "raw_ko": "공급" }, "employees_reported": 43, "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": 7, "joint_contract_count": 0, "total_amount_krw": 2304946950, "by_category": { "goods": { "contract_count": 2, "amount_krw": 1219697980 }, "construction": { "contract_count": 5, "amount_krw": 1085248970 }, "services": { "contract_count": 0, "amount_krw": 0 }, "foreign": { "contract_count": 0, "amount_krw": 0 } }, "by_contract_type": { "lump_sum": { "contract_count": 6, "amount_total_krw": 800144690, "amount_this_krw": 2019842670, "share_amount_krw": 2019842670 }, "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": 285104280, "amount_this_krw": 285104280, "share_amount_krw": 285104280 }, "unknown": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 } }, "top_buyers": [ { "buyer_code": "6260103", "buyer_ko": "부산광역시 상수도사업본부 덕산정수사업소", "contract_count": 1, "amount_krw": 741626850 }, { "buyer_code": "8000000", "buyer_ko": "충청북도교육청", "contract_count": 1, "amount_krw": 478071130 }, { "buyer_code": "7581000", "buyer_ko": "경기도교육청 경기도부천교육지원청", "contract_count": 1, "amount_krw": 462376530 }, { "buyer_code": "3980000", "buyer_ko": "경기도 구리시", "contract_count": 1, "amount_krw": 285104280 }, { "buyer_code": "7652000", "buyer_ko": "경기도교육청 경기도구리남양주교육지원청", "contract_count": 1, "amount_krw": 225128000 } ], "recent_contracts": [ { "contract_no": "R26TA02254051", "title_ko": "충청북도단재교육연수원 본원 관급자재(냉난방기) 구매 및 설치", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-09-28", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 478071130, "amount_krw": 478071130, "buyer_ko": "충청북도교육청", "method_ko": "일반경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02254051&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01987874", "title_ko": "학교 유무선 네트워크 개선 3-1차 사업 정보통신공사(11권역)", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-06-23", "changed_date": "2026-09-09", "amount_total_krw": 225128000, "amount_this_krw": 225128000, "amount_krw": 225128000, "buyer_ko": "경기도교육청 경기도구리남양주교육지원청", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01987874&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01909474", "title_ko": "덕산 제1오존실 오존발생기 교체", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-06-01", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 741626850, "amount_krw": 741626850, "buyer_ko": "부산광역시 상수도사업본부 덕산정수사업소", "method_ko": "일반경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01909474&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01629956", "title_ko": "동백종합복지회관 건립사업 수영장 ICT기반 수질관리 시스템 공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-03-20", "changed_date": "2026-05-06", "amount_total_krw": 38515530, "amount_this_krw": 38515530, "amount_krw": 38515530, "buyer_ko": "용인도시공사", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01629956&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01215957", "title_ko": "인창천 생태하천 복원사업 통신공사", "category": "construction", "contract_type": "multi_year", "signed_date": "2025-12-17", "changed_date": "2026-01-08", "amount_total_krw": 285104280, "amount_this_krw": 285104280, "amount_krw": 285104280, "buyer_ko": "경기도 구리시", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01215957&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01217947", "title_ko": "2025학년도 안산동산고등학교 석면병행 소방공사 소액수의 견적공고", "category": "construction", "contract_type": "lump_sum", "signed_date": "2025-12-16", "changed_date": null, "amount_total_krw": 74124630, "amount_this_krw": 74124630, "amount_krw": 74124630, "buyer_ko": "경기도교육청 안산동산고등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01217947&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01215558", "title_ko": "중동초 조리실 환기설비개선 기계설비공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2025-12-16", "changed_date": "2026-03-26", "amount_total_krw": 462376530, "amount_this_krw": 462376530, "amount_krw": 462376530, "buyer_ko": "경기도교육청 경기도부천교육지원청", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01215558&ctrtChgOrd=02&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." }