{
  "module": "kr-suppliers",
  "itemId": "3058600549",
  "title": "CHUNGWOO (주식회사청우공영)",
  "summary": "Public procurement supplier (3058600549): 7 contracts, KRW 9,858,290,600.",
  "data": {
    "kind": "supplier",
    "business_registration_no": "3058600549",
    "corp_code": null,
    "name_en": "CHUNGWOO",
    "name_ko": "주식회사청우공영",
    "established_date": "2009-10-05",
    "address": "인천광역시 계양구 황어로 123-0 (장기동, 완풍빌딩) 4층",
    "homepage": null,
    "manufacturer_type": {
      "code": "supplier",
      "raw_ko": "공급"
    },
    "employees_reported": 19,
    "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": 1,
      "total_amount_krw": 9858290600,
      "by_category": {
        "goods": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "construction": {
          "contract_count": 7,
          "amount_krw": 9858290600
        },
        "services": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "foreign": {
          "contract_count": 0,
          "amount_krw": 0
        }
      },
      "by_contract_type": {
        "lump_sum": {
          "contract_count": 5,
          "amount_total_krw": 77880000,
          "amount_this_krw": 77880000,
          "share_amount_krw": 77880000
        },
        "unit_price": {
          "contract_count": 0,
          "amount_total_krw": 0,
          "amount_this_krw": 0,
          "share_amount_krw": 0
        },
        "multi_year": {
          "contract_count": 2,
          "amount_total_krw": 16280821000,
          "amount_this_krw": 16280821000,
          "share_amount_krw": 9780410600
        },
        "unknown": {
          "contract_count": 0,
          "amount_total_krw": 0,
          "amount_this_krw": 0,
          "share_amount_krw": 0
        }
      },
      "top_buyers": [
        {
          "buyer_code": "7310000",
          "buyer_ko": "인천광역시교육청",
          "contract_count": 1,
          "amount_krw": 9750615600
        },
        {
          "buyer_code": "B090032",
          "buyer_ko": "한국과학기술연구원",
          "contract_count": 3,
          "amount_krw": 57970000
        },
        {
          "buyer_code": "7321000",
          "buyer_ko": "인천광역시교육청 인천광역시남부교육지원청",
          "contract_count": 1,
          "amount_krw": 29795000
        },
        {
          "buyer_code": "7006431",
          "buyer_ko": "서울대학교",
          "contract_count": 1,
          "amount_krw": 12000000
        },
        {
          "buyer_code": "6111592",
          "buyer_ko": "서울특별시 물재생센터 난지물재생센터",
          "contract_count": 1,
          "amount_krw": 7910000
        }
      ],
      "recent_contracts": [
        {
          "contract_no": "R26TA02317248",
          "title_ko": "(가칭)아라5초등학교 신축 잔여공사",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2026-10-15",
          "changed_date": null,
          "amount_total_krw": 16251026000,
          "amount_this_krw": 16251026000,
          "amount_krw": 16251026000,
          "buyer_ko": "인천광역시교육청",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": true,
          "share_pct": 60,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02317248&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA02196518",
          "title_ko": "유입펌프장 옥상 안전사다리 및 난간대 설치공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-09-09",
          "changed_date": null,
          "amount_total_krw": 7910000,
          "amount_this_krw": 7910000,
          "amount_krw": 7910000,
          "buyer_ko": "서울특별시 물재생센터 난지물재생센터",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02196518&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA02119799",
          "title_ko": "생명공학연구동(81동) 보일러 가스공급관 경로 조정 및 증기공급밸브 교체공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-08-10",
          "changed_date": null,
          "amount_total_krw": 12000000,
          "amount_this_krw": 12000000,
          "amount_krw": 12000000,
          "buyer_ko": "서울대학교",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02119799&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA02097391",
          "title_ko": "체육관 열원설비 교체공사(설비)",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-07-29",
          "changed_date": null,
          "amount_total_krw": 20240000,
          "amount_this_krw": 20240000,
          "amount_krw": 20240000,
          "buyer_ko": "한국과학기술연구원",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02097391&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01672288",
          "title_ko": "L6 연구동 기계실 증기배관 교체공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-03-30",
          "changed_date": null,
          "amount_total_krw": 18480000,
          "amount_this_krw": 18480000,
          "amount_krw": 18480000,
          "buyer_ko": "한국과학기술연구원",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01672288&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01200477",
          "title_ko": "인천여상 고교학점제 학교공간조성 기계설비공사",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2025-12-17",
          "changed_date": "2026-03-23",
          "amount_total_krw": 29795000,
          "amount_this_krw": 29795000,
          "amount_krw": 29795000,
          "buyer_ko": "인천광역시교육청 인천광역시남부교육지원청",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01200477&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01072984",
          "title_ko": "청정연구동 노후배관 교체공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2025-11-25",
          "changed_date": null,
          "amount_total_krw": 19250000,
          "amount_this_krw": 19250000,
          "amount_krw": 19250000,
          "buyer_ko": "한국과학기술연구원",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01072984&ctrtChgOrd=00&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."
}