{
  "module": "kr-suppliers",
  "itemId": "1148650007",
  "title": "CHANGYEON ((주)창연건설)",
  "summary": "Public procurement supplier (1148650007): 9 contracts, KRW 1,889,958,470.",
  "data": {
    "kind": "supplier",
    "business_registration_no": "1148650007",
    "corp_code": null,
    "name_en": "CHANGYEON",
    "name_ko": "(주)창연건설",
    "established_date": "2006-02-24",
    "address": "경기도 시흥시 인선길 128, 3층 301-2호 (장곡동)",
    "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": 9,
      "joint_contract_count": 1,
      "total_amount_krw": 1889958470,
      "by_category": {
        "goods": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "construction": {
          "contract_count": 9,
          "amount_krw": 1889958470
        },
        "services": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "foreign": {
          "contract_count": 0,
          "amount_krw": 0
        }
      },
      "by_contract_type": {
        "lump_sum": {
          "contract_count": 9,
          "amount_total_krw": 2678633440,
          "amount_this_krw": 2678633440,
          "share_amount_krw": 1889958470
        },
        "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": "4080000",
          "buyer_ko": "경기도 안성시",
          "contract_count": 1,
          "amount_krw": 817617360
        },
        {
          "buyer_code": "Z013741",
          "buyer_ko": "한국공항공사 김포공항",
          "contract_count": 1,
          "amount_krw": 757746540
        },
        {
          "buyer_code": "4010000",
          "buyer_ko": "경기도 시흥시",
          "contract_count": 5,
          "amount_krw": 220894000
        },
        {
          "buyer_code": "7781000",
          "buyer_ko": "경기도교육청 경기도시흥교육지원청",
          "contract_count": 1,
          "amount_krw": 59100570
        },
        {
          "buyer_code": "7010238",
          "buyer_ko": "서울특별시교육청 중동고등학교",
          "contract_count": 1,
          "amount_krw": 34600000
        }
      ],
      "recent_contracts": [
        {
          "contract_no": "R26TA02304388",
          "title_ko": "시화국가산업단지 재생사업 기반시설 확충사업 소망공원 정비공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-10-16",
          "changed_date": "2026-10-29",
          "amount_total_krw": 68596000,
          "amount_this_krw": 68596000,
          "amount_krw": 68596000,
          "buyer_ko": "경기도 시흥시",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02304388&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA02221560",
          "title_ko": "백주년기념관 옥상 방수 보수공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-09-11",
          "changed_date": "2026-10-19",
          "amount_total_krw": 34600000,
          "amount_this_krw": 34600000,
          "amount_krw": 34600000,
          "buyer_ko": "서울특별시교육청 중동고등학교",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02221560&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01860729",
          "title_ko": "연성초 외 1교(은행고 합숙소) 외벽 및 옥상방수공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-05-14",
          "changed_date": "2026-07-13",
          "amount_total_krw": 59100570,
          "amount_this_krw": 59100570,
          "amount_krw": 59100570,
          "buyer_ko": "경기도교육청 경기도시흥교육지원청",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01860729&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01854965",
          "title_ko": "연성청소년복합센터 시설물 유지보수 공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-05-13",
          "changed_date": "2026-06-22",
          "amount_total_krw": 16258000,
          "amount_this_krw": 16258000,
          "amount_krw": 16258000,
          "buyer_ko": "경기도 시흥시",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01854965&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01835389",
          "title_ko": "김포공항 건축물 방수 및 기타공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-05-08",
          "changed_date": null,
          "amount_total_krw": 1546421510,
          "amount_this_krw": 1546421510,
          "amount_krw": 1546421510,
          "buyer_ko": "한국공항공사 김포공항",
          "method_ko": "일반경쟁",
          "role": "도급업체",
          "joint": true,
          "share_pct": 49,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01835389&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01751601",
          "title_ko": "정왕동 2690-5번지 일원 도로정비공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-04-16",
          "changed_date": "2026-05-11",
          "amount_total_krw": 48440000,
          "amount_this_krw": 48440000,
          "amount_krw": 48440000,
          "buyer_ko": "경기도 시흥시",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01751601&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01705261",
          "title_ko": "오이도 문화복지센터 청사 방수 공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-04-03",
          "changed_date": "2026-05-11",
          "amount_total_krw": 32600000,
          "amount_this_krw": 32600000,
          "amount_krw": 32600000,
          "buyer_ko": "경기도 시흥시",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01705261&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01378223",
          "title_ko": "안현동 543-3번지 일원 농로 포장공사(2단계)",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-01-26",
          "changed_date": "2026-03-31",
          "amount_total_krw": 55000000,
          "amount_this_krw": 55000000,
          "amount_krw": 55000000,
          "buyer_ko": "경기도 시흥시",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01378223&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01277287",
          "title_ko": "안성맞춤구장 환경 개선공사(건축)",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2025-12-30",
          "changed_date": "2026-07-02",
          "amount_total_krw": 817617360,
          "amount_this_krw": 817617360,
          "amount_krw": 817617360,
          "buyer_ko": "경기도 안성시",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01277287&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."
}