{
  "module": "kr-suppliers",
  "itemId": "2648114669",
  "title": "Bluestone Exchange, inc. (주식회사 블루스톤익스체인지)",
  "summary": "Public procurement supplier (2648114669): 3 contracts, KRW 27,272,882,890.",
  "data": {
    "kind": "supplier",
    "business_registration_no": "2648114669",
    "corp_code": null,
    "name_en": "Bluestone Exchange, inc.",
    "name_ko": "주식회사 블루스톤익스체인지",
    "established_date": "2013-04-19",
    "address": "서울특별시 마포구 성암로 189-0 9층 (상암동, 중소기업디엠씨타워)",
    "homepage": "http://www.bluestonexchange.com/",
    "manufacturer_type": {
      "code": "supplier",
      "raw_ko": "공급"
    },
    "employees_reported": 30,
    "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": 0,
      "total_amount_krw": 27272882890,
      "by_category": {
        "goods": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "construction": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "services": {
          "contract_count": 3,
          "amount_krw": 27272882890
        },
        "foreign": {
          "contract_count": 0,
          "amount_krw": 0
        }
      },
      "by_contract_type": {
        "lump_sum": {
          "contract_count": 1,
          "amount_total_krw": 25308609240,
          "amount_this_krw": 25308609240,
          "share_amount_krw": 25308609240
        },
        "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": 6627679920,
          "amount_this_krw": 1964273650,
          "share_amount_krw": 1964273650
        },
        "unknown": {
          "contract_count": 0,
          "amount_total_krw": 0,
          "amount_this_krw": 0,
          "share_amount_krw": 0
        }
      },
      "top_buyers": [
        {
          "buyer_code": "Z004841",
          "buyer_ko": "한국화학연구원",
          "contract_count": 1,
          "amount_krw": 25308609240
        },
        {
          "buyer_code": "B090023",
          "buyer_ko": "한국건설기술연구원",
          "contract_count": 1,
          "amount_krw": 1439226640
        },
        {
          "buyer_code": "B553508",
          "buyer_ko": "국립낙동강생물자원관",
          "contract_count": 1,
          "amount_krw": 525047010
        }
      ],
      "recent_contracts": [
        {
          "contract_no": "R26TA02327099",
          "title_ko": "MRO(소모성물품) 구매대행사업자 선정",
          "category": "services",
          "contract_type": "lump_sum",
          "signed_date": "2026-10-23",
          "changed_date": null,
          "amount_total_krw": 25308609240,
          "amount_this_krw": 25308609240,
          "amount_krw": 25308609240,
          "buyer_ko": "한국화학연구원",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02327099&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA02101057",
          "title_ko": "소모성 물품 구매 대행(MRO)",
          "category": "services",
          "contract_type": "multi_year",
          "signed_date": "2026-07-28",
          "changed_date": null,
          "amount_total_krw": 2310000000,
          "amount_this_krw": 525047010,
          "amount_krw": 525047010,
          "buyer_ko": "국립낙동강생물자원관",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02101057&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA01475399",
          "title_ko": "2025~2028년 한국건설기술연구원  소모성물품(MRO) 구매대행사업자 선정",
          "category": "services",
          "contract_type": "multi_year",
          "signed_date": "2026-03-01",
          "changed_date": null,
          "amount_total_krw": 4317679920,
          "amount_this_krw": 1439226640,
          "amount_krw": 1439226640,
          "buyer_ko": "한국건설기술연구원",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01475399&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070002&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."
}