{
  "module": "kr-suppliers",
  "itemId": "3018134983",
  "title": "Donghwan Engineering ＆ Construction CO., LTD (주식회사 동환토건)",
  "summary": "Public procurement supplier (3018134983): 8 contracts, KRW 5,542,679,873.",
  "data": {
    "kind": "supplier",
    "business_registration_no": "3018134983",
    "corp_code": null,
    "name_en": "Donghwan Engineering ＆ Construction CO., LTD",
    "name_ko": "주식회사 동환토건",
    "established_date": "1999-01-01",
    "address": "충청북도 청주시 흥덕구 강내면 태성탑연로 95",
    "homepage": null,
    "manufacturer_type": {
      "code": "supplier",
      "raw_ko": "공급"
    },
    "employees_reported": 8,
    "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": 8,
      "joint_contract_count": 2,
      "total_amount_krw": 5542679873,
      "by_category": {
        "goods": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "construction": {
          "contract_count": 3,
          "amount_krw": 5407707873
        },
        "services": {
          "contract_count": 5,
          "amount_krw": 134972000
        },
        "foreign": {
          "contract_count": 0,
          "amount_krw": 0
        }
      },
      "by_contract_type": {
        "lump_sum": {
          "contract_count": 6,
          "amount_total_krw": 493180400,
          "amount_this_krw": 493180400,
          "share_amount_krw": 493180400
        },
        "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": 42527190360,
          "amount_this_krw": 11692784530,
          "share_amount_krw": 5049499473
        },
        "unknown": {
          "contract_count": 0,
          "amount_total_krw": 0,
          "amount_this_krw": 0,
          "share_amount_krw": 0
        }
      },
      "top_buyers": [
        {
          "buyer_code": "1192374",
          "buyer_ko": "해양수산부 부산지방해양수산청 부산항건설사무소",
          "contract_count": 1,
          "amount_krw": 4784182515
        },
        {
          "buyer_code": "4360109",
          "buyer_ko": "충청북도 청주시 청주랜드관리사업소",
          "contract_count": 1,
          "amount_krw": 358208400
        },
        {
          "buyer_code": "1613248",
          "buyer_ko": "국토교통부 익산지방국토관리청",
          "contract_count": 1,
          "amount_krw": 265316958
        },
        {
          "buyer_code": "8021000",
          "buyer_ko": "충청북도교육청 충청북도충주교육지원청",
          "contract_count": 1,
          "amount_krw": 77165000
        },
        {
          "buyer_code": "8000000",
          "buyer_ko": "충청북도교육청",
          "contract_count": 1,
          "amount_krw": 28115000
        }
      ],
      "recent_contracts": [
        {
          "contract_no": "R26TA02253408",
          "title_ko": "하반기 제 3종시설물 대상 폐교(세평초, 감물중) 정기안전점검 용역",
          "category": "services",
          "contract_type": "lump_sum",
          "signed_date": "2026-09-29",
          "changed_date": null,
          "amount_total_krw": 5000000,
          "amount_this_krw": 5000000,
          "amount_krw": 5000000,
          "buyer_ko": "충청북도교육청 충청북도괴산증평교육지원청",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02253408&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01662738",
          "title_ko": "2026. 상반기 노은중 외 10교(30동) 제3종시설물정기안전점검용역",
          "category": "services",
          "contract_type": "lump_sum",
          "signed_date": "2026-03-25",
          "changed_date": null,
          "amount_total_krw": 77165000,
          "amount_this_krw": 77165000,
          "amount_krw": 77165000,
          "buyer_ko": "충청북도교육청 충청북도충주교육지원청",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01662738&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01582409",
          "title_ko": "상반기 제3종시설물 대상 폐교(세평초, 감물중) 정기안전점검 용역",
          "category": "services",
          "contract_type": "lump_sum",
          "signed_date": "2026-03-10",
          "changed_date": null,
          "amount_total_krw": 5000000,
          "amount_this_krw": 5000000,
          "amount_krw": 5000000,
          "buyer_ko": "충청북도교육청 충청북도괴산증평교육지원청",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01582409&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01574498",
          "title_ko": "국도30호선 임실 이도지구 단구간 확장공사",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2026-03-09",
          "changed_date": "2026-06-23",
          "amount_total_krw": 18952435360,
          "amount_this_krw": 1061267830,
          "amount_krw": 1061267830,
          "buyer_ko": "국토교통부 익산지방국토관리청",
          "method_ko": "제한경쟁",
          "role": "도급업체",
          "joint": true,
          "share_pct": 25,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01574498&ctrtChgOrd=04&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01559556",
          "title_ko": "금구초 외 3교(4동) 노후시설 정밀안전점검용역",
          "category": "services",
          "contract_type": "lump_sum",
          "signed_date": "2026-03-03",
          "changed_date": null,
          "amount_total_krw": 19692000,
          "amount_this_krw": 19692000,
          "amount_krw": 19692000,
          "buyer_ko": "충청북도교육청 충청북도진천교육지원청",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01559556&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01412941",
          "title_ko": "충청북도교육문화원 본관 외 1동(충청북도해양교육원 본관) 정밀안전점검 용역",
          "category": "services",
          "contract_type": "lump_sum",
          "signed_date": "2026-02-02",
          "changed_date": null,
          "amount_total_krw": 28115000,
          "amount_this_krw": 28115000,
          "amount_krw": 28115000,
          "buyer_ko": "충청북도교육청",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01412941&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01372147",
          "title_ko": "부산항 신항 용원수로 정비공사(3차)",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2026-01-26",
          "changed_date": "2026-04-24",
          "amount_total_krw": 23574755000,
          "amount_this_krw": 10631516700,
          "amount_krw": 10631516700,
          "buyer_ko": "해양수산부 부산지방해양수산청 부산항건설사무소",
          "method_ko": "제한경쟁",
          "role": "도급업체",
          "joint": true,
          "share_pct": 45,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01372147&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01162785",
          "title_ko": "(청주랜드)제3전시관 리모델링(건축, 기계)",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2025-12-03",
          "changed_date": "2026-03-24",
          "amount_total_krw": 358208400,
          "amount_this_krw": 358208400,
          "amount_krw": 358208400,
          "buyer_ko": "충청북도 청주시 청주랜드관리사업소",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01162785&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."
}