{ "module": "kr-suppliers", "itemId": "1238174347", "title": "JEONGINSYSTEM.CO.,LTD (주식회사 정인시스템)", "summary": "Public procurement supplier (1238174347): 4 contracts, KRW 2,468,336,030.", "data": { "kind": "supplier", "business_registration_no": "1238174347", "corp_code": null, "name_en": "JEONGINSYSTEM.CO.,LTD", "name_ko": "주식회사 정인시스템", "established_date": "2002-01-11", "address": "경기도 안산시 단원구 엠티브이20로12번길 44, 4사 804 (성곡동, 엠티브이단지)", "homepage": "https://www.jisystem21.com/", "manufacturer_type": { "code": "manufacturer", "raw_ko": "제조" }, "employees_reported": 35, "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": 4, "joint_contract_count": 0, "total_amount_krw": 2468336030, "by_category": { "goods": { "contract_count": 2, "amount_krw": 2350208130 }, "construction": { "contract_count": 0, "amount_krw": 0 }, "services": { "contract_count": 2, "amount_krw": 118127900 }, "foreign": { "contract_count": 0, "amount_krw": 0 } }, "by_contract_type": { "lump_sum": { "contract_count": 4, "amount_total_krw": 118127900, "amount_this_krw": 2468336030, "share_amount_krw": 2468336030 }, "unit_price": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 }, "multi_year": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 }, "unknown": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 } }, "top_buyers": [ { "buyer_code": "B553766", "buyer_ko": "서울교통공사", "contract_count": 1, "amount_krw": 2336536230 }, { "buyer_code": "Z004847", "buyer_ko": "한국전기연구원", "contract_count": 2, "amount_krw": 118127900 }, { "buyer_code": "C612255", "buyer_ko": "국립한국교통대학교 산학협력단", "contract_count": 1, "amount_krw": 13671900 } ], "recent_contracts": [ { "contract_no": "R26TA02308045", "title_ko": "대전력시험용 보조차단기 설치·시운전 용역", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-10-13", "changed_date": null, "amount_total_krw": 71357000, "amount_this_krw": 71357000, "amount_krw": 71357000, "buyer_ko": "한국전기연구원", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02308045&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02208805", "title_ko": "Gas Insulated Test Wall Bushing 교체", "category": "services", "contract_type": "lump_sum", "signed_date": "2026-09-08", "changed_date": null, "amount_total_krw": 46770900, "amount_this_krw": 46770900, "amount_krw": 46770900, "buyer_ko": "한국전기연구원", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02208805&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01906974", "title_ko": "2026년 지하철 변전소 특고압 개폐장치 제작구매 설치", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-05-29", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 2336536230, "amount_krw": 2336536230, "buyer_ko": "서울교통공사", "method_ko": "일반경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01906974&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01626405", "title_ko": "K6 챔버 구매", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-03-19", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 13671900, "amount_krw": 13671900, "buyer_ko": "국립한국교통대학교 산학협력단", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01626405&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&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." }