{ "module": "kr-suppliers", "itemId": "4718600486", "title": "I J SYSTEM (주식회사 아이제이시스템공조)", "summary": "Public procurement supplier (4718600486): 15 contracts, KRW 2,373,376,554.", "data": { "kind": "supplier", "business_registration_no": "4718600486", "corp_code": null, "name_en": "I J SYSTEM", "name_ko": "주식회사 아이제이시스템공조", "established_date": "2016-07-01", "address": "부산광역시 부산진구 황령대로64번길 28-0 (전포동)", "homepage": null, "manufacturer_type": { "code": "supplier", "raw_ko": "공급" }, "employees_reported": 11, "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": 15, "joint_contract_count": 1, "total_amount_krw": 2373376554, "by_category": { "goods": { "contract_count": 10, "amount_krw": 2109915314 }, "construction": { "contract_count": 5, "amount_krw": 263461240 }, "services": { "contract_count": 0, "amount_krw": 0 }, "foreign": { "contract_count": 0, "amount_krw": 0 } }, "by_contract_type": { "lump_sum": { "contract_count": 13, "amount_total_krw": 263461240, "amount_this_krw": 2009531300, "share_amount_krw": 1675076554 }, "unit_price": { "contract_count": 1, "amount_total_krw": 128158130, "amount_this_krw": 128158130, "share_amount_krw": 128158130 }, "multi_year": { "contract_count": 1, "amount_total_krw": 949589850, "amount_this_krw": 698300000, "share_amount_krw": 698300000 }, "unknown": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 } }, "top_buyers": [ { "buyer_code": "8951000", "buyer_ko": "경상북도교육청 경상북도예천교육지원청", "contract_count": 1, "amount_krw": 698300000 }, { "buyer_code": "7240068", "buyer_ko": "대구광역시교육청 강북고등학교", "contract_count": 1, "amount_krw": 433027000 }, { "buyer_code": "7150000", "buyer_ko": "부산광역시교육청", "contract_count": 1, "amount_krw": 328979630 }, { "buyer_code": "7191000", "buyer_ko": "부산광역시교육청 부산광역시동래교육지원청", "contract_count": 1, "amount_krw": 216303000 }, { "buyer_code": "7003010", "buyer_ko": "부경대학교", "contract_count": 2, "amount_krw": 179943000 } ], "recent_contracts": [ { "contract_no": "R26TA02363532", "title_ko": "광무여자중학교 화장실 화변기 교체공사 소액수의 견적 제출 안내 공고", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-28", "changed_date": null, "amount_total_krw": 77396240, "amount_this_krw": 77396240, "amount_krw": 77396240, "buyer_ko": "부산광역시교육청 부산광역시남부교육지원청 광무여자중학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02363532&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02359145", "title_ko": "자갈치해안시장 해수취수시설 배관 연결 공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-10-27", "changed_date": null, "amount_total_krw": 2750000, "amount_this_krw": 2750000, "amount_krw": 2750000, "buyer_ko": "부산광역시 중구", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02359145&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02296608", "title_ko": "(가칭)부산환경체험교육관 관급자재(냉난방기) 구매 설치", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-10-08", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 328979630, "amount_krw": 328979630, "buyer_ko": "부산광역시교육청", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02296608&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02241626", "title_ko": "남해지방해양경찰청 GHP 냉난방기 구매 설치", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-09-17", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 489684840, "amount_krw": 489684840, "buyer_ko": "해양경찰청 남해지방해양경찰청", "method_ko": "일반경쟁", "role": "도급업체", "joint": true, "share_pct": 31.7, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02241626&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02219400", "title_ko": "부산청소년비행예방센터 냉난방기 구입(설치포함)", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-09-09", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 2600000, "amount_krw": 2600000, "buyer_ko": "법무부 부산소년원 부산청소년비행예방센터", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02219400&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02213503", "title_ko": "2026년 스마트생태공장 구축사업_멀티히트펌프(물품)", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-09-08", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 158950000, "amount_krw": 158950000, "buyer_ko": "신소재산업주식회사 아산공장", "method_ko": "일반경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02213503&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02043548", "title_ko": "동현초등학교 등 2교(사직중) 전기히트펌프 냉난방기 구매 설치(긴급)", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-07-09", "changed_date": "2026-09-07", "amount_total_krw": 0, "amount_this_krw": 216303000, "amount_krw": 216303000, "buyer_ko": "부산광역시교육청 부산광역시동래교육지원청", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02043548&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01978693", "title_ko": "전산관리과 노후화 항온항습기 구매 설치 계약", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-06-18", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 22000000, "amount_krw": 22000000, "buyer_ko": "부산광역시의료원", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01978693&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01934060", "title_ko": "평택축협 가축분뇨 공공처리시설 설치사업 관급자재(냉난방기) 구매", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-06-09", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 45373000, "amount_krw": 45373000, "buyer_ko": "한국환경공단 수도권서부환경본부", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01934060&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01845838", "title_ko": "2026년 시스템냉난방기 보수 단가계약(LG전자)", "category": "construction", "contract_type": "unit_price", "signed_date": "2026-05-11", "changed_date": null, "amount_total_krw": 128158130, "amount_this_krw": 128158130, "amount_krw": 128158130, "buyer_ko": "부경대학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01845838&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01842228", "title_ko": "시네마운틴 엠프실 에어컨 교체공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-05-11", "changed_date": null, "amount_total_krw": 3372000, "amount_this_krw": 3372000, "amount_krw": 3372000, "buyer_ko": "(재)영화의전당", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01842228&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01799846", "title_ko": "가칭)호명중학교 교사 신축 냉난방기 구매 설치(계속비)", "category": "goods", "contract_type": "multi_year", "signed_date": "2026-04-27", "changed_date": null, "amount_total_krw": 949589850, "amount_this_krw": 698300000, "amount_krw": 698300000, "buyer_ko": "경상북도교육청 경상북도예천교육지원청", "method_ko": "일반경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01799846&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01323087", "title_ko": "용당6관 환경개선 설비공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-01-08", "changed_date": "2026-01-08", "amount_total_krw": 179943000, "amount_this_krw": 179943000, "amount_krw": 179943000, "buyer_ko": "부경대학교", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01323087&ctrtChgOrd=03&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01305337", "title_ko": "강북고등학교 냉난방기 구입설치 (긴급)", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-01-08", "changed_date": "2026-02-27", "amount_total_krw": 0, "amount_this_krw": 433027000, "amount_krw": 433027000, "buyer_ko": "대구광역시교육청 강북고등학교", "method_ko": "일반경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01305337&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01288763", "title_ko": "지산고등학교 별관동 냉난방기 구매 설치", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-01-06", "changed_date": "2026-01-30", "amount_total_krw": 0, "amount_this_krw": 49152590, "amount_krw": 49152590, "buyer_ko": "부산광역시교육청 지산고등학교", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01288763&ctrtChgOrd=01&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." }