{ "module": "kr-suppliers", "itemId": "5078600596", "title": "haksanconst (주식회사 학산건설)", "summary": "Public procurement supplier (5078600596): 3 contracts, KRW 6,693,559,000.", "data": { "kind": "supplier", "business_registration_no": "5078600596", "corp_code": null, "name_en": "haksanconst", "name_ko": "주식회사 학산건설", "established_date": "2016-07-27", "address": "충청남도 천안시 동남구 서부대로 268 302호 (신방동,학산리젠다빌)", "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": 3, "joint_contract_count": 1, "total_amount_krw": 6693559000, "by_category": { "goods": { "contract_count": 0, "amount_krw": 0 }, "construction": { "contract_count": 3, "amount_krw": 6693559000 }, "services": { "contract_count": 0, "amount_krw": 0 }, "foreign": { "contract_count": 0, "amount_krw": 0 } }, "by_contract_type": { "lump_sum": { "contract_count": 2, "amount_total_krw": 879603000, "amount_this_krw": 879603000, "share_amount_krw": 879603000 }, "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": 23255824000, "amount_this_krw": 23255824000, "share_amount_krw": 5813956000 }, "unknown": { "contract_count": 0, "amount_total_krw": 0, "amount_this_krw": 0, "share_amount_krw": 0 } }, "top_buyers": [ { "buyer_code": "6441406", "buyer_ko": "충청남도 건설본부", "contract_count": 1, "amount_krw": 5813956000 }, { "buyer_code": "5580000", "buyer_ko": "충청남도 계룡시", "contract_count": 1, "amount_krw": 634238000 }, { "buyer_code": "5660000", "buyer_ko": "충청남도 천안시 서북구", "contract_count": 1, "amount_krw": 245365000 } ], "recent_contracts": [ { "contract_no": "R26TA02242779", "title_ko": "오봉천 지방하천 정비사업", "category": "construction", "contract_type": "multi_year", "signed_date": "2026-09-22", "changed_date": null, "amount_total_krw": 23255824000, "amount_this_krw": 23255824000, "amount_krw": 23255824000, "buyer_ko": "충청남도 건설본부", "method_ko": "제한경쟁", "role": "도급업체", "joint": true, "share_pct": 25, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02242779&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01499780", "title_ko": "충무육교 계단 신설공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2026-02-24", "changed_date": "2026-06-10", "amount_total_krw": 245365000, "amount_this_krw": 245365000, "amount_krw": 245365000, "buyer_ko": "충청남도 천안시 서북구", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01499780&ctrtChgOrd=03&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01090646", "title_ko": "계룡복합문화센터 인테리어 공사", "category": "construction", "contract_type": "lump_sum", "signed_date": "2025-11-20", "changed_date": "2026-03-12", "amount_total_krw": 634238000, "amount_this_krw": 634238000, "amount_krw": 634238000, "buyer_ko": "충청남도 계룡시", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01090646&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." }