{
  "module": "kr-suppliers",
  "itemId": "6108172862",
  "title": "YUHWA construction ((주)유화건설)",
  "summary": "Public procurement supplier (6108172862): 4 contracts, KRW 7,525,719,620.",
  "data": {
    "kind": "supplier",
    "business_registration_no": "6108172862",
    "corp_code": null,
    "name_en": "YUHWA construction",
    "name_ko": "(주)유화건설",
    "established_date": "2004-06-21",
    "address": "울산광역시 울주군 온산읍 해맞이로 1854  1동 1층",
    "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": 4,
      "joint_contract_count": 0,
      "total_amount_krw": 7525719620,
      "by_category": {
        "goods": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "construction": {
          "contract_count": 3,
          "amount_krw": 7092519720
        },
        "services": {
          "contract_count": 1,
          "amount_krw": 433199900
        },
        "foreign": {
          "contract_count": 0,
          "amount_krw": 0
        }
      },
      "by_contract_type": {
        "lump_sum": {
          "contract_count": 2,
          "amount_total_krw": 714640400,
          "amount_this_krw": 714640400,
          "share_amount_krw": 714640400
        },
        "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": 6811079220,
          "amount_this_krw": 6811079220,
          "share_amount_krw": 6811079220
        },
        "unknown": {
          "contract_count": 0,
          "amount_total_krw": 0,
          "amount_this_krw": 0,
          "share_amount_krw": 0
        }
      },
      "top_buyers": [
        {
          "buyer_code": "7501000",
          "buyer_ko": "울산광역시교육청 울산광역시강남교육지원청",
          "contract_count": 1,
          "amount_krw": 6285060660
        },
        {
          "buyer_code": "7480000",
          "buyer_ko": "울산광역시교육청",
          "contract_count": 1,
          "amount_krw": 526018560
        },
        {
          "buyer_code": "3720000",
          "buyer_ko": "울산광역시 북구",
          "contract_count": 1,
          "amount_krw": 433199900
        },
        {
          "buyer_code": "7480035",
          "buyer_ko": "울산광역시교육청 울산고등학교",
          "contract_count": 1,
          "amount_krw": 281440500
        }
      ],
      "recent_contracts": [
        {
          "contract_no": "R26TA02234431",
          "title_ko": "[긴급] 울산중앙중 공간재구조화 증축 및 리모델링 공사(계속비)",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2026-09-18",
          "changed_date": "2026-10-29",
          "amount_total_krw": 6285060660,
          "amount_this_krw": 6285060660,
          "amount_krw": 6285060660,
          "buyer_ko": "울산광역시교육청 울산광역시강남교육지원청",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02234431&ctrtChgOrd=01&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01381607",
          "title_ko": "25학년도 울산고 5호동 내진보강 건축 공사 변경 계약",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-01-20",
          "changed_date": "2026-03-27",
          "amount_total_krw": 281440500,
          "amount_this_krw": 281440500,
          "amount_krw": 281440500,
          "buyer_ko": "울산광역시교육청 울산고등학교",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01381607&ctrtChgOrd=02&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01275931",
          "title_ko": "2026년 공공청사(구청사, 친환경급식센터) 청소용역",
          "category": "services",
          "contract_type": "lump_sum",
          "signed_date": "2025-12-26",
          "changed_date": null,
          "amount_total_krw": 433199900,
          "amount_this_krw": 433199900,
          "amount_krw": 433199900,
          "buyer_ko": "울산광역시 북구",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01275931&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01150147",
          "title_ko": "학성여고 강당동 지붕교체공사(계속비)",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2025-12-02",
          "changed_date": null,
          "amount_total_krw": 526018560,
          "amount_this_krw": 526018560,
          "amount_krw": 526018560,
          "buyer_ko": "울산광역시교육청",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01150147&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."
}