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1,984 supplier profiles · 4,538 certificate records

Profiles are organized by the site linked to the certificate records. One company may have multiple profiles. Records are marked Active by the source; the last sync time is unavailable. Confirm current status and supply capability before purchasing.

  • Liaoning Dongyu Oil Tubular Goods Company, Ltd.

    Panjin City · Liaoning · People's Republic of China
    Source status: Active3 certificate records

    Products and scope listed on the certificates

    Casing & Tubing Threads; Casing or Tubing Pup Joints; Casing or Tubing Couplings

    Certification standards: API-5B; API-5CT; API Spec Q1, 10th Edition

    View details
    View 3 certificate records
    • 5B-0657API-5B

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing & Tubing Threads

    • 5CT-0580API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

    • Q1-4893API Spec Q1, 10th Edition

      System or program certificationSource status: Active

      Effective
      Expires
      Source status changed

      Product scope was not provided; check the certificate.

  • Liaoning Great Pumps Co., Ltd

    Shenyang · Shenyang · People's Republic of China
    Source status: Active1 certificate record

    Products and scope listed on the certificates

    Product scope was not provided; review the certificates in the supplier details.

    Certification standards: API Spec Q1, 10th Edition

    View details
    View 1 certificate record
    • Q1-7072API Spec Q1, 10th Edition

      System or program certificationSource status: Active

      Effective
      Expires
      Source status changed

      Product scope was not provided; check the certificate.

  • Liaoning Hengxing Pump Industry Co., Ltd.

    Dandong City · Liaoning · People's Republic of China
    Source status: Active2 certificate records

    Products and scope listed on the certificates

    Product scope was not provided; review the certificates in the supplier details.

    Certification standards: ISO 9001:2015; API Spec Q1, 10th Edition

    View details
    View 2 certificate records
    • ISO-0661ISO 9001:2015

      System or program certificationSource status: Active

      Effective
      Expires
      Source status changed

      Product scope was not provided; check the certificate.

    • Q1-0398API Spec Q1, 10th Edition

      System or program certificationSource status: Active

      Effective
      Expires
      Source status changed

      Product scope was not provided; check the certificate.

  • Liaoning Heyu Industrial Co., Ltd.

    Panjin · Liaoning · People's Republic of China
    Source status: Active2 certificate records

    Products and scope listed on the certificates

    Crown Block Assemblies; Masts; Substructures

    Certification standards: API-4F; API Spec Q1, 10th Edition

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    View 2 certificate records
    • 4F-0519API-4F

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Crown Block Assemblies; Masts; Substructures

    • Q1-4987API Spec Q1, 10th Edition

      System or program certificationSource status: Active

      Effective
      Expires
      Source status changed

      Product scope was not provided; check the certificate.

  • Liaoning Mingyang Pipe Industry Co., Ltd.

    Yingkou · Liaoning · People's Republic of China
    Source status: Active1 certificate record

    Products and scope listed on the certificates

    Line Pipe Plain End at PSL 1; Line Pipe Plain End at PSL 2

    Certification standards: API-5L

    View details
    View 1 certificate record
    • 5L-1187API-5L

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Line Pipe Plain End at PSL 1; Line Pipe Plain End at PSL 2

  • Liaoning Shenyu Oil Pipe Manufacture Co., Ltd.

    Panjin City · Liaoning · People's Republic of China
    Source status: Active2 certificate records

    Products and scope listed on the certificates

    Casing & Tubing Threads; Casing or Tubing Pup Joints; Casing or Tubing Couplings

    Certification standards: API-5B; API-5CT

    View details
    View 2 certificate records
    • 5B-0673API-5B

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing & Tubing Threads

    • 5CT-0812API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Liaoning Taihe Industrial Co., Ltd.

    Panjin · Liaoning · People's Republic of China
    Source status: Active1 certificate record

    Products and scope listed on the certificates

    Product scope was not provided; review the certificates in the supplier details.

    Certification standards: API Spec Q1, 10th Edition

    View details
    View 1 certificate record
    • Q1-6111API Spec Q1, 10th Edition

      System or program certificationSource status: Active

      Effective
      Expires
      Source status changed

      Product scope was not provided; check the certificate.

  • Liaoning Yidao New Materials Technology Co., Ltd.

    Huludao City · Liaoning Province · People's Republic of China
    Source status: Active2 certificate records

    Products and scope listed on the certificates

    Fiberglass Line Pipe; FW Line Pipe

    Certification standards: API-15HR; API-15LR

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    View 2 certificate records
    • 15HR-0128API-15HR

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Fiberglass Line Pipe

    • 15LR-0130API-15LR

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      FW Line Pipe

  • Liaoyang Petroleum Steel Pipe Manufacturing Co., Ltd.

    Liaoyang City · Liaoning · People's Republic of China
    Source status: Active2 certificate records

    Products and scope listed on the certificates

    Line Pipe Plain End at PSL 1; Line Pipe Plain End at PSL 2; Line Pipe Plain End at PSL 2 - Service Annex J; Line Pipe Plain End at PSL 2 - Service Annex H

    Certification standards: API-5L; API Spec Q1, 10th Edition

    View details
    View 2 certificate records
    • 5L-1041API-5L

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Line Pipe Plain End at PSL 1; Line Pipe Plain End at PSL 2; Line Pipe Plain End at PSL 2 - Service Annex J; Line Pipe Plain End at PSL 2 - Service Annex H

    • Q1-2469API Spec Q1, 10th Edition

      System or program certificationSource status: Active

      Effective
      Expires
      Source status changed

      Product scope was not provided; check the certificate.

  • Liff Precision Machinery Co., Ltd.

    Guanghan City · Sichuan Province · People's Republic of China
    Source status: Active1 certificate record

    Products and scope listed on the certificates

    Fixed Cutter Bits

    Certification standards: API-7-1

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    View 1 certificate record
    • 7-1-1287API-7-1

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Fixed Cutter Bits

  • Linyi Jinzhengyang Seamless Steel Pipe Co., Ltd.

    Linyi · Shandong · People's Republic of China
    Source status: Active2 certificate records

    Products and scope listed on the certificates

    Seamless Casing or Tubing (Plain End); Line Pipe Plain End at PSL 1

    Certification standards: API-5CT; API-5L

    View details
    View 2 certificate records
    • 5CT-1492API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Seamless Casing or Tubing (Plain End)

    • 5L-0952API-5L

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Line Pipe Plain End at PSL 1

  • Linzhou Baorui Petroleum Special Pipe Co., Ltd.

    Linzhou City · Henan Province · People's Republic of China
    Source status: Active2 certificate records

    Products and scope listed on the certificates

    Casing & Tubing Threads; Casing or Tubing Pup Joints

    Certification standards: API-5B; API-5CT

    View details
    View 2 certificate records
    • 5B-0222API-5B

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing & Tubing Threads

    • 5CT-2467API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints

  • Linzhou Fengbao Pipe Industry Co., Ltd.

    Linzhou City · Henan Province · People's Republic of China
    Source status: Active5 certificate records

    Products and scope listed on the certificates

    Casing & Tubing Threads; Seamless Casing or Tubing (Plain End); Seamless Casing or Tubing (Threaded and Coupled); Coupling Stock or Accessory Material; Casing or Tubing Pup Joints; Casing or Tubing Co…

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    Casing & Tubing Threads; Seamless Casing or Tubing (Plain End); Seamless Casing or Tubing (Threaded and Coupled); Coupling Stock or Accessory Material; Casing or Tubing Pup Joints; Casing or Tubing Couplings; Processed Casing, Tubing, Coupling Stock, or Accessory Material (Plain End); Processed Casing or Tubing (Threaded and Coupled); Processed Casing or Tubing Pup Joints; Drill Pipe Body; Line Pipe Plain End at PSL 2; Line Pipe Plain End at PSL 1; Line Pipe Plain End at PSL 2 - Service Annex H; Line Pipe Plain End at PSL 2 - Service Annex J

    Certification standards: API-5B; API-5CT; API-5DP; API-5L; API Spec Q1, 10th Edition

    View details
    View 5 certificate records
    • 5B-0690API-5B

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing & Tubing Threads

    • 5CT-1043API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Seamless Casing or Tubing (Plain End); Seamless Casing or Tubing (Threaded and Coupled); Coupling Stock or Accessory Material; Casing or Tubing Pup Joints; Casing or Tubing Couplings; Processed Casing…

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      Seamless Casing or Tubing (Plain End); Seamless Casing or Tubing (Threaded and Coupled); Coupling Stock or Accessory Material; Casing or Tubing Pup Joints; Casing or Tubing Couplings; Processed Casing, Tubing, Coupling Stock, or Accessory Material (Plain End); Processed Casing or Tubing (Threaded and Coupled); Processed Casing or Tubing Pup Joints

    • 5DP-0271API-5DP

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Drill Pipe Body

    • 5L-0699API-5L

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Line Pipe Plain End at PSL 2; Line Pipe Plain End at PSL 1; Line Pipe Plain End at PSL 2 - Service Annex H; Line Pipe Plain End at PSL 2 - Service Annex J

    • Q1-5310API Spec Q1, 10th Edition

      System or program certificationSource status: Active

      Effective
      Expires
      Source status changed

      Product scope was not provided; check the certificate.

  • Lion (Jiangsu) Pipeline Technology Co., LTD

    Nantong · Jiangsu · People's Republic of China
    Source status: Active1 certificate record

    Products and scope listed on the certificates

    Manufacturer of Clad Steel Pipe

    Certification standards: API-5LD

    View details
    View 1 certificate record
    • 5LD-0107API-5LD

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Manufacturer of Clad Steel Pipe

  • Lishui Gowin Valve Technology Co., Ltd

    Zhejiang Province · People's Republic of China
    Source status: Active1 certificate record

    Products and scope listed on the certificates

    Ball Valves; Check Valves; Gate Valves

    Certification standards: API-6D

    View details
    View 1 certificate record
    • 6D-2037API-6D

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Ball Valves; Check Valves; Gate Valves

  • Lishui Guoda Valve Co., Ltd.

    Lishui · Zhejiang · People's Republic of China
    Source status: Active1 certificate record

    Products and scope listed on the certificates

    Ball Valves

    Certification standards: API-6D

    View details
    View 1 certificate record
    • 6D-0496API-6D

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Ball Valves

  • Lishui Jingyi Valve Co., Ltd

    Lishui · Zhejiang · People's Republic of China
    Source status: Active2 certificate records

    Products and scope listed on the certificates

    Cold Formed Bolts, Screws, and Nuts; Studs; Machined Bolts, Screws and Nuts; Hot Formed Bolts and Screws; Hot Formed Nuts; Machined Studs; Machined Bolts, Screws, and Nuts

    Certification standards: API-20E; API-20F

    View details
    View 2 certificate records
    • 20E-0175API-20E

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Cold Formed Bolts, Screws, and Nuts; Studs; Machined Bolts, Screws and Nuts; Hot Formed Bolts and Screws; Hot Formed Nuts

    • 20F-0087API-20F

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Machined Studs; Machined Bolts, Screws, and Nuts

  • LISHUI OUYI VALVE CO., LTD

    Lishui · Zhejiang · People's Republic of China
    Source status: Active7 certificate records

    Products and scope listed on the certificates

    Check Valves - Type B; Bolted Bonnet Steel Gate Valves; Gate Valves – DN 100 (NPS 4) and Smaller; Globe Valves – DN 100 (NPS 4) and Smaller; Check Valves – DN 100 (NPS 4) and Smaller; Metal Ball Valve…

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    Check Valves - Type B; Bolted Bonnet Steel Gate Valves; Gate Valves – DN 100 (NPS 4) and Smaller; Globe Valves – DN 100 (NPS 4) and Smaller; Check Valves – DN 100 (NPS 4) and Smaller; Metal Ball Valves; Butterfly Valves - Category B; Chokes; Gate, Ball, Plug Valves; Gate Valves; Plug Valves; Ball Valves; Check Valves

    Certification standards: API-594; API-600; API-602; API-608; API-609; API-6A; API-6D

    View details
    View 7 certificate records
    • 594-0105API-594

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Check Valves - Type B

    • 600-0255API-600

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Bolted Bonnet Steel Gate Valves

    • 602-0228API-602

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Gate Valves – DN 100 (NPS 4) and Smaller; Globe Valves – DN 100 (NPS 4) and Smaller; Check Valves – DN 100 (NPS 4) and Smaller

    • 608-0127API-608

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Metal Ball Valves

    • 609-0356API-609

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Butterfly Valves - Category B

    • 6A-2586API-6A

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Chokes; Gate, Ball, Plug Valves

    • 6D-1671API-6D

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Gate Valves; Plug Valves; Ball Valves; Check Valves

  • Lixin Valve Group Co., Ltd.

    Wenzhou · Zhejiang · People's Republic of China
    Source status: Active6 certificate records

    Products and scope listed on the certificates

    Check Valves - Type B; Bolted Bonnet Steel Gate Valves; Gate Valves – DN 100 (NPS 4) and Smaller; Globe Valves – DN 100 (NPS 4) and Smaller; Check Valves – DN 100 (NPS 4) and Smaller; Metal Ball Valve…

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    Check Valves - Type B; Bolted Bonnet Steel Gate Valves; Gate Valves – DN 100 (NPS 4) and Smaller; Globe Valves – DN 100 (NPS 4) and Smaller; Check Valves – DN 100 (NPS 4) and Smaller; Metal Ball Valves; Butterfly Valves - Category B; Check Valves; Ball Valves; Plug Valves; Gate Valves

    Certification standards: API-594; API-600; API-602; API-608; API-609; API-6D

    View details
    View 6 certificate records
    • 594-0051API-594

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Check Valves - Type B

    • 600-0361API-600

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Bolted Bonnet Steel Gate Valves

    • 602-0141API-602

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Gate Valves – DN 100 (NPS 4) and Smaller; Globe Valves – DN 100 (NPS 4) and Smaller; Check Valves – DN 100 (NPS 4) and Smaller

    • 608-0070API-608

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Metal Ball Valves

    • 609-0259API-609

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Butterfly Valves - Category B

    • 6D-1167API-6D

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Check Valves; Ball Valves; Plug Valves; Gate Valves

  • Luda (Taian) Industrial Co. Ltd.

    Feicheng · Shandong · People's Republic of China
    Source status: Active3 certificate records

    Products and scope listed on the certificates

    Blind and Test Flanges

    Certification standards: API-6A; ISO 9001:2015; API Spec Q1, 10th Edition

    View details
    View 3 certificate records
    • 6A-2260API-6A

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Blind and Test Flanges

    • ISO-2331ISO 9001:2015

      System or program certificationSource status: Active

      Effective
      Expires
      Source status changed

      Product scope was not provided; check the certificate.

    • Q1-2235API Spec Q1, 10th Edition

      System or program certificationSource status: Active

      Effective
      Expires
      Source status changed

      Product scope was not provided; check the certificate.

  • LUKANG BRANCH OF PIPE & TUBE DEPARTMENT, CHUNG HUNG STEEL CORPORATION

    Chinese registered name: 中鴻鋼鐵股份有限公司

    Lukang Township · Changhua County · Taiwan, Republic Of China
    Source status: Active2 certificate records

    Products and scope listed on the certificates

    EW Casing or Tubing (Plain End); Line Pipe Plain End at PSL 2; Line Pipe Plain End at PSL 1

    Certification standards: API-5CT; API-5L

    View details
    View 2 certificate records
    • 5CT-1723API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      EW Casing or Tubing (Plain End)

    • 5L-1042API-5L

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Line Pipe Plain End at PSL 2; Line Pipe Plain End at PSL 1

  • Luntai Longxing Drilling & Recovery Fittings Repair Co., Ltd.

    Luntai · Xinjiang · People's Republic of China
    Source status: Active3 certificate records

    Products and scope listed on the certificates

    Casing & Tubing Threads; Casing or Tubing Couplings

    Certification standards: API-5B; API-5CT; API Spec Q1, 10th Edition

    View details
    View 3 certificate records
    • 5B-0623API-5B

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing & Tubing Threads

    • 5CT-1689API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings

    • Q1-3568API Spec Q1, 10th Edition

      System or program certificationSource status: Active

      Effective
      Expires
      Source status changed

      Product scope was not provided; check the certificate.

  • Luohe Letone Hydraulics Technology Co., Ltd.

    Luohe · Henan · People's Republic of China
    Source status: Active4 certificate records

    Products and scope listed on the certificates

    Flexible Choke and Kill Lines; Bonded Flexible Pipe; High Pressure Mud and Cement Hoses

    Certification standards: API-16C; API-17K; API-7K; API Spec Q1, 10th Edition

    View details
    View 4 certificate records
    • 16C-0403API-16C

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Flexible Choke and Kill Lines

    • 17K-0013API-17K

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Bonded Flexible Pipe

    • 7K-0493API-7K

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      High Pressure Mud and Cement Hoses

    • Q1-3208API Spec Q1, 10th Edition

      System or program certificationSource status: Active

      Effective
      Expires
      Source status changed

      Product scope was not provided; check the certificate.

  • Luoyang Cerapar Ceramics Technology Co., Ltd.

    Luoyang · Henan · People's Republic of China
    Source status: Active1 certificate record

    Products and scope listed on the certificates

    Product scope was not provided; review the certificates in the supplier details.

    Certification standards: API Spec Q1, 10th Edition

    View details
    View 1 certificate record
    • Q1-4645API Spec Q1, 10th Edition

      System or program certificationSource status: Active

      Effective
      Expires
      Source status changed

      Product scope was not provided; check the certificate.

  • Luoyang Longchang Refractory Materials Co., Ltd

    Luoyang City · Henan Province · People's Republic of China
    Source status: Active1 certificate record

    Products and scope listed on the certificates

    Product scope was not provided; review the certificates in the supplier details.

    Certification standards: API Spec Q1, 10th Edition

    View details
    View 1 certificate record
    • Q1-4664API Spec Q1, 10th Edition

      System or program certificationSource status: Active

      Effective
      Expires
      Source status changed

      Product scope was not provided; check the certificate.

OFMP organizes public certificate records and is not API or a certifying body. Before purchasing, check the listed site, product scope and actual supply capability. Active members can view available contact details in supplier profiles.

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