{ "module": "kr-suppliers", "itemId": "3058630271", "title": "Chem on Science co.,ltd ((주)켐온싸이언스)", "summary": "Public procurement supplier (3058630271): 27 contracts, KRW 3,764,732,000.", "data": { "kind": "supplier", "business_registration_no": "3058630271", "corp_code": null, "name_en": "Chem on Science co.,ltd", "name_ko": "(주)켐온싸이언스", "established_date": "2013-11-01", "address": "대전광역시 유성구 테크노4로 17,A동419호(관평동,대덕비즈센터)", "homepage": null, "manufacturer_type": { "code": "supplier", "raw_ko": "공급" }, "employees_reported": 4, "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": 27, "joint_contract_count": 0, "total_amount_krw": 3764732000, "by_category": { "goods": { "contract_count": 27, "amount_krw": 3764732000 }, "construction": { "contract_count": 0, "amount_krw": 0 }, "services": { "contract_count": 0, "amount_krw": 0 }, "foreign": { "contract_count": 0, "amount_krw": 0 } }, "by_contract_type": { "lump_sum": { "contract_count": 27, "amount_total_krw": 0, "amount_this_krw": 3764732000, "share_amount_krw": 3764732000 }, "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": "B550234", "buyer_ko": "국방과학연구소", "contract_count": 22, "amount_krw": 3363240000 }, { "buyer_code": "7006353", "buyer_ko": "충남대학교 산학협력단", "contract_count": 2, "amount_krw": 295400000 }, { "buyer_code": "Z004957", "buyer_ko": "근로복지공단 대전병원", "contract_count": 1, "amount_krw": 61000000 }, { "buyer_code": "B350021", "buyer_ko": "한국과학기술원", "contract_count": 1, "amount_krw": 43970000 }, { "buyer_code": "B190001", "buyer_ko": "한국조폐공사", "contract_count": 1, "amount_krw": 1122000 } ], "recent_contracts": [ { "contract_no": "R26TA02347782", "title_ko": "헤드스페이스 샘플러 구매_262034", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-10-23", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 43970000, "amount_krw": 43970000, "buyer_ko": "한국과학기술원", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02347782&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02345213", "title_ko": "고체 모의물질 등 2종", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-10-22", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 225600000, "amount_krw": 225600000, "buyer_ko": "국방과학연구소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02345213&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02267484", "title_ko": "액체질소 보관용기외 11종", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-09-30", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 143380000, "amount_krw": 143380000, "buyer_ko": "국방과학연구소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02267484&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02217153", "title_ko": "체성분 분석기외 2종 구매", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-09-09", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 196000000, "amount_krw": 196000000, "buyer_ko": "국방과학연구소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02217153&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02197939", "title_ko": "루비듐 엠퓰", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-09-02", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 64200000, "amount_krw": 64200000, "buyer_ko": "국방과학연구소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02197939&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02196356", "title_ko": "질량분석기 구매", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-09-02", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 221150000, "amount_krw": 221150000, "buyer_ko": "충남대학교 산학협력단", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02196356&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02156927", "title_ko": "스트레인게이지 외 26종", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-08-20", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 115580000, "amount_krw": 115580000, "buyer_ko": "국방과학연구소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02156927&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02153155", "title_ko": "광섬유 스플리터외 1종", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-08-20", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 93000000, "amount_krw": 93000000, "buyer_ko": "국방과학연구소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02153155&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02133972", "title_ko": "시험계측용 부품 외 40종", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-08-11", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 201900000, "amount_krw": 201900000, "buyer_ko": "국방과학연구소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02133972&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02129673", "title_ko": "멀티채널 모니터링 시스템", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-08-10", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 128500000, "amount_krw": 128500000, "buyer_ko": "국방과학연구소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02129673&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02121265", "title_ko": "Constant Out Atomizer외 7종", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-08-05", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 173700000, "amount_krw": 173700000, "buyer_ko": "국방과학연구소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02121265&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02120877", "title_ko": "클러스터 네트워크 구축용 스위치", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-08-05", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 2750000, "amount_krw": 2750000, "buyer_ko": "국방과학연구소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02120877&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA02033879", "title_ko": "비활성 충전재", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-07-08", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 190980000, "amount_krw": 190980000, "buyer_ko": "국방과학연구소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA02033879&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01822885", "title_ko": "광도플러속도계 시스템", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-05-04", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 407280000, "amount_krw": 407280000, "buyer_ko": "국방과학연구소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01822885&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01808429", "title_ko": "복합화약 제작용 소모품외 20종", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-04-28", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 229150000, "amount_krw": 229150000, "buyer_ko": "국방과학연구소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01808429&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01754794", "title_ko": "가스크로마토그래피 구매", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-04-16", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 61000000, "amount_krw": 61000000, "buyer_ko": "근로복지공단 대전병원", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01754794&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01712637", "title_ko": "화폐본부 블랙안료 구매(소액경쟁)", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-04-06", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 1122000, "amount_krw": 1122000, "buyer_ko": "한국조폐공사", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01712637&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01576652", "title_ko": "시험용 소모품 구매", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-03-05", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 194680000, "amount_krw": 194680000, "buyer_ko": "국방과학연구소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01576652&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R26TA01325128", "title_ko": "액체크로마토그래프 구매", "category": "goods", "contract_type": "lump_sum", "signed_date": "2026-01-09", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 74250000, "amount_krw": 74250000, "buyer_ko": "충남대학교 산학협력단", "method_ko": "수의계약", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R26TA01325128&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&srchName=ctrtCrst&openUrl=Y" }, { "contract_no": "R25TA01218949", "title_ko": "가스농도센서", "category": "goods", "contract_type": "lump_sum", "signed_date": "2025-12-17", "changed_date": null, "amount_total_krw": 0, "amount_this_krw": 161380000, "amount_krw": 161380000, "buyer_ko": "국방과학연구소", "method_ko": "제한경쟁", "role": "주계약업체", "joint": false, "share_pct": 100, "url": "https://www.g2b.go.kr/link/FIUA027_01/single/?ctrtNo=R25TA01218949&ctrtChgOrd=00&prcmBsneSeCd=%EC%A1%B0070001&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." }