{
  "module": "kr-suppliers",
  "itemId": "3158131573",
  "title": "seo kwang (서광전기통신공사(주))",
  "summary": "Public procurement supplier (3158131573): 5 contracts, KRW 4,981,656,300.",
  "data": {
    "kind": "supplier",
    "business_registration_no": "3158131573",
    "corp_code": null,
    "name_en": "seo kwang",
    "name_ko": "서광전기통신공사(주)",
    "established_date": "1997-11-01",
    "address": "대전광역시 서구 사진개길 19-29 (흑석동)",
    "homepage": null,
    "manufacturer_type": {
      "code": "supplier",
      "raw_ko": "공급"
    },
    "employees_reported": 35,
    "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": 5,
      "joint_contract_count": 1,
      "total_amount_krw": 4981656300,
      "by_category": {
        "goods": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "construction": {
          "contract_count": 5,
          "amount_krw": 4981656300
        },
        "services": {
          "contract_count": 0,
          "amount_krw": 0
        },
        "foreign": {
          "contract_count": 0,
          "amount_krw": 0
        }
      },
      "by_contract_type": {
        "lump_sum": {
          "contract_count": 4,
          "amount_total_krw": 525994800,
          "amount_this_krw": 525994800,
          "share_amount_krw": 525994800
        },
        "unit_price": {
          "contract_count": 0,
          "amount_total_krw": 0,
          "amount_this_krw": 0,
          "share_amount_krw": 0
        },
        "multi_year": {
          "contract_count": 1,
          "amount_total_krw": 8911323000,
          "amount_this_krw": 8911323000,
          "share_amount_krw": 4455661500
        },
        "unknown": {
          "contract_count": 0,
          "amount_total_krw": 0,
          "amount_this_krw": 0,
          "share_amount_krw": 0
        }
      },
      "top_buyers": [
        {
          "buyer_code": "6280669",
          "buyer_ko": "인천광역시 도시철도건설본부",
          "contract_count": 1,
          "amount_krw": 4455661500
        },
        {
          "buyer_code": "7001105",
          "buyer_ko": "충남대학교",
          "contract_count": 1,
          "amount_krw": 428880000
        },
        {
          "buyer_code": "7430046",
          "buyer_ko": "대전광역시교육청 남대전고등학교",
          "contract_count": 1,
          "amount_krw": 91261800
        },
        {
          "buyer_code": "3660000",
          "buyer_ko": "대전광역시 서구",
          "contract_count": 2,
          "amount_krw": 5853000
        }
      ],
      "recent_contracts": [
        {
          "contract_no": "R26TA02335936",
          "title_ko": "서울도시철도7호선 청라국제도시 연장 005정거장 전기공사",
          "category": "construction",
          "contract_type": "multi_year",
          "signed_date": "2026-10-26",
          "changed_date": null,
          "amount_total_krw": 8911323000,
          "amount_this_krw": 8911323000,
          "amount_krw": 8911323000,
          "buyer_ko": "인천광역시 도시철도건설본부",
          "method_ko": "일반경쟁",
          "role": "주계약업체",
          "joint": true,
          "share_pct": 50,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02335936&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA02181454",
          "title_ko": "한화포레나대전월평공원 2단지 다함께돌봄센터 통신공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-09-02",
          "changed_date": null,
          "amount_total_krw": 3031000,
          "amount_this_krw": 3031000,
          "amount_krw": 3031000,
          "buyer_ko": "대전광역시 서구",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02181454&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R26TA02181391",
          "title_ko": "한화포레나대전월평공원 1단지 다함께돌봄센터 리모델링 통신공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2026-08-27",
          "changed_date": null,
          "amount_total_krw": 2822000,
          "amount_this_krw": 2822000,
          "amount_krw": 2822000,
          "buyer_ko": "대전광역시 서구",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02181391&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01195655",
          "title_ko": "남대전고등학교 공간재구조화 소방공사",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2025-12-15",
          "changed_date": null,
          "amount_total_krw": 91261800,
          "amount_this_krw": 91261800,
          "amount_krw": 91261800,
          "buyer_ko": "대전광역시교육청 남대전고등학교",
          "method_ko": "수의계약",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01195655&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070004&srchName=ctrtCrst&openUrl=Y"
        },
        {
          "contract_no": "R25TA01183614",
          "title_ko": "대학본부 공동구 이설 공사(전기)",
          "category": "construction",
          "contract_type": "lump_sum",
          "signed_date": "2025-12-09",
          "changed_date": "2026-04-02",
          "amount_total_krw": 428880000,
          "amount_this_krw": 428880000,
          "amount_krw": 428880000,
          "buyer_ko": "충남대학교",
          "method_ko": "제한경쟁",
          "role": "주계약업체",
          "joint": false,
          "share_pct": 100,
          "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01183614&ctrtChgOrd=01&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."
}