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Product scope：CouplingsClear all

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177 supplier profiles · 185 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.

Only profiles and certificate records matching your filters are shown. Profile details are not limited by these filters.

  • Daqing Naigu Petroleum Machinery Equipment Manufacturing Co., Ltd.

    Daqing · Heilongjiang · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Pup Joints; Casing or Tubing Couplings

    Certification standards: API-5CT

    View detailsContact supplier
    View 1 related certificate record
    • 5CT-2398API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Daqing Powerlift Petro-Equipment Group/Casing Facility

    Daqing City · Hei Long Jiang Province · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Pup Joints; Casing or Tubing Couplings

    Certification standards: API-5CT

    View detailsContact supplier
    View 1 related certificate record
    • 5CT-2040API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Daqing Powerlift Petro-equipment Group/Tubing Facility

    Daqing City · Heilongjiang Province · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Pup Joints; Casing or Tubing Couplings; Seamless Casing or Tubing (Threaded and Coupled)

    Certification standards: API-5CT

    View detailsContact supplierCompany website
    View 1 related certificate record
    • 5CT-0527API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings; Seamless Casing or Tubing (Threaded and Coupled)

  • Daqing Seamless Oil Pipe Co., Ltd.

    Daqing · Heilongjiang · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Pup Joints; Casing or Tubing Couplings

    Certification standards: API-5CT

    View detailsContact supplier
    View 1 related certificate record
    • 5CT-1385API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Dezhou Jingrui Petroleum Machinery Co., Ltd.

    Dezhou · Shandong · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Couplings

    Certification standards: API-5CT

    View detailsContact supplierCompany website
    View 1 related certificate record
    • 5CT-1903API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings

  • Dezhou United Petroleum Technology Corp.

    Dezhou · Shandong · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Couplings

    Certification standards: API-5CT

    View detailsContact supplierCompany website
    View 1 related certificate record
    • 5CT-2228API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings

  • DeZhou ZhongKai Petroleum Technology Co., Ltd.

    Dezhou · Shandong · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Couplings

    Certification standards: API-5CT

    View detailsContact supplier
    View 1 related certificate record
    • 5CT-2396API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings

  • Dong Ying Jin Shan Petroleum Machinery Manufacturing Co., Ltd.

    Dong Ying · Shan Dong · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Couplings

    Certification standards: API-5CT

    Certificate dates need review
    • 5CT-2308: The listed expiration date is past, while the source says Active. Verify the current status.
    View detailsContact supplier
    View 1 related certificate record
    • 5CT-2308API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings

  • DongYing BaiHua Petroleum Technology Development Co., Ltd.

    Dongying · Shandong · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Couplings

    Certification standards: API-5CT

    View detailsContact supplier
    View 1 related certificate record
    • 5CT-2198API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings

  • Dongying City Jinyilai Petroleum Machinery Co., Ltd.

    Dongying City · Shandong Province · People's Republic of China
    Source status: ActiveIn these results: 2 certificate records

    Products and scope listed on the certificates

    Steel Sucker Rods and Steel Pony Rods; Sucker Rod Couplings; Polished Rods; Casing or Tubing Couplings

    Certification standards: API-11B; API-5CT

    View detailsContact supplierCompany website
    View 2 related certificate records
    • 11B-0124API-11B

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Steel Sucker Rods and Steel Pony Rods; Sucker Rod Couplings; Polished Rods

    • 5CT-2532API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings

  • Dongying City Kenli District Jinxiu Petroleum Machinery Co., Ltd.

    Dongying City · Shandong Province · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Polished Rods; Sinker Bars; Sucker Rod Couplings; Polished Rod Couplings

    Certification standards: API-11B

    View detailsContact supplier
    View 1 related certificate record
    • 11B-0183API-11B

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Polished Rods; Sinker Bars; Sucker Rod Couplings; Polished Rod Couplings

  • Dongying City Sanhe Petroleum Equipment Co., Ltd.

    Dongying City · Shandong · People's Republic of China
    Source status: ActiveIn these results: 2 certificate records

    Products and scope listed on the certificates

    Sucker Rod Couplings; Steel Sucker Rods and Steel Pony Rods; Polished Rods; Polished Rod Couplings; Sinker Bars; Sub-couplings; Casing or Tubing Pup Joints; Casing or Tubing Couplings

    Certification standards: API-11B; API-5CT

    View detailsContact supplier
    View 2 related certificate records
    • 11B-0150API-11B

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Sucker Rod Couplings; Steel Sucker Rods and Steel Pony Rods; Polished Rods; Polished Rod Couplings; Sinker Bars; Sub-couplings

    • 5CT-1734API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Dongying Heli Petroleum Machinery Co., Ltd.

    Dongying City · Shandong · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Pup Joints; Casing or Tubing Couplings

    Certification standards: API-5CT

    View detailsContact supplier
    View 1 related certificate record
    • 5CT-0881API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • DongYing HuaChen Petroleum Equipment Co.,Ltd.

    Dong Ying City · Shandong · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Sucker Rod Couplings

    Certification standards: API-11B

    View detailsContact supplier
    View 1 related certificate record
    • 11B-0171API-11B

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Sucker Rod Couplings

  • Dongying Kechuang Petroleum Equipment Co., Ltd.

    Dongying · Shandong · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Pup Joints; Casing or Tubing Couplings

    Certification standards: API-5CT

    View detailsContact supplier
    View 1 related certificate record
    • 5CT-1901API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Dongying Ruifeng Petroleum Technical Development Co., Ltd.

    Qingdao · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Pup Joints; Casing or Tubing Couplings

    Certification standards: API-5CT

    Certificate dates need review
    • 5CT-2053: The listed expiration date is past, while the source says Active. Verify the current status.
    View detailsContact supplier
    View 1 related certificate record
    • 5CT-2053API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Dongying Tieren Sucker Rod Co., Ltd.

    Dongying · Shandong · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Steel Sucker Rods and Steel Pony Rods; Sucker Rod Couplings; Polished Rod Couplings; Polished Rods

    Certification standards: API-11B

    View detailsContact supplier
    View 1 related certificate record
    • 11B-0084API-11B

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Steel Sucker Rods and Steel Pony Rods; Sucker Rod Couplings; Polished Rod Couplings; Polished Rods

  • Dongying Yuanjie Petroleum Machinery Co., Ltd.

    Dongying · Shandong · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Couplings

    Certification standards: API-5CT

    View detailsContact supplier
    View 1 related certificate record
    • 5CT-2087API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings

  • Dongying Zhaoxin Industrial and Trade Co., Ltd.

    Dongying · Shandong · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Pup Joints; Casing or Tubing Couplings

    Certification standards: API-5CT

    View detailsContact supplier
    View 1 related certificate record
    • 5CT-2095API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Dongying Zhihexiang Petro Technology Co., Ltd

    Dongying City · Shandong Province · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Couplings; Casing or Tubing Pup Joints

    Certification standards: API-5CT

    View detailsContact supplier
    View 1 related certificate record
    • 5CT-2336API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings; Casing or Tubing Pup Joints

  • Enecal (Tianjin) Pte. Ltd.

    Binhai High-Tech Zone · Tianjin · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Couplings

    Certification standards: API-5CT

    View detailsContact supplier
    View 1 related certificate record
    • 5CT-2507API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings

  • Found Petroleum Equipment Co., Ltd.

    Baotou · Inner Mongolia · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Polished Rods; Polished Rod Couplings; Sucker Rod Couplings; Steel Sucker Rods and Steel Pony Rods; Sinker Bars; Sub-couplings

    Certification standards: API-11B

    View detailsContact supplierCompany website
    View 1 related certificate record
    • 11B-0081API-11B

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Polished Rods; Polished Rod Couplings; Sucker Rod Couplings; Steel Sucker Rods and Steel Pony Rods; Sinker Bars; Sub-couplings

  • Funing County Hongda Petrochemical Machinery Co., Ltd.

    Yancheng · Jiangsu · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Pup Joints; Casing or Tubing Couplings

    Certification standards: API-5CT

    View detailsContact supplier
    View 1 related certificate record
    • 5CT-2334API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Gaoyou Huaxing Petroleum Pipe Manufacture Co., Ltd.

    Gaoyou · Jiangsu · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Pup Joints; Casing or Tubing Couplings

    Certification standards: API-5CT

    View detailsContact supplierCompany website
    View 1 related certificate record
    • 5CT-1690API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Handan Runyuan Petroleum Machinery Technology Co., Ltd.

    Handan · Hebei · People's Republic of China
    Source status: ActiveIn these results: 1 certificate record

    Products and scope listed on the certificates

    Casing or Tubing Couplings

    Certification standards: API-5CT

    View detailsContact supplier
    View 1 related certificate record
    • 5CT-2502API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings

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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