OFMP

Find suppliers

Search by product, company, standard and location. Review certificate records, then contact suppliers for a quote.

Product scope：CouplingsClear all

Filtered results

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.

  • Anhui United Pipeline Co., Ltd.

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

    Products and scope listed on the certificates

    Steel Reinforced Pipe; Non-metallic Reinforced Pipe; Couplings

    Certification standards: API-15S

    View detailsContact supplier
    View 1 related certificate record
    • 15S-0025API-15S

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Steel Reinforced Pipe; Non-metallic Reinforced Pipe; Couplings

  • Anshan Zhongyou Tipo Pipe & Tubing Co., Ltd.

    Anshan City · Liaoning · 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-0785API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings

  • Anton Oilfield Services (Group) Ltd.

    Tianjin · 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-2166: The listed effective date is in the future. Confirm the current status with API.
    View detailsContact supplierCompany website
    View 1 related certificate record
    • 5CT-2166API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Baoji Jinhui Petroleum Engineering Co., Ltd

    Baoji · Shaanxi · 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-2459API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings

  • Baoji Plant of Xi'an OCTG Branch of CNPC Baoji Petroleum Pipe Industry Co., Ltd.

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

    Products and scope listed on the certificates

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

    Show full text

    EW Casing or Tubing (Plain End); EW Casing or Tubing (Threaded and Coupled); 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)

    Certification standards: API-5CT

    View detailsContact supplierCompany website
    View 1 related certificate record
    • 5CT-1361API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

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

      Show full text

      EW Casing or Tubing (Plain End); EW Casing or Tubing (Threaded and Coupled); 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)

  • Baoshan Iron & Steel Co., Ltd./Core Base Facility

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

    Products and scope listed on the certificates

    EW Casing or Tubing (Plain End); Seamless Casing or Tubing (Plain End); EW Casing or Tubing (Threaded and Coupled); Seamless Casing or Tubing (Threaded and Coupled); Coupling Stock or Accessory Materi…

    Show full text

    EW Casing or Tubing (Plain End); Seamless Casing or Tubing (Plain End); EW Casing or Tubing (Threaded and Coupled); 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)

    Certification standards: API-5CT

    View detailsContact supplierCompany website
    View 1 related certificate record
    • 5CT-0399API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      EW Casing or Tubing (Plain End); Seamless Casing or Tubing (Plain End); EW Casing or Tubing (Threaded and Coupled); Seamless Casing or Tubing (Threaded and Coupled); Coupling Stock or Accessory Materi…

      Show full text

      EW Casing or Tubing (Plain End); Seamless Casing or Tubing (Plain End); EW Casing or Tubing (Threaded and Coupled); 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)

  • BAOTOU GANGXING INDUSTRIAL (GROUP) HUAFA OIL TUBE 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

    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 Casin…

    Show full text

    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

    Certification standards: API-5CT

    View detailsContact supplierCompany website
    View 1 related certificate record
    • 5CT-1743API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      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 Casin…

      Show full text

      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

  • Baotou Liande Oil and Mechanical Co., Ltd.

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

    Products and scope listed on the certificates

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

    Certification standards: API-11B

    View detailsContact supplierCompany website
    View 1 related certificate record
    • 11B-0079API-11B

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

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

  • Bazhou Hongyuan Petroleum Equipment and Materials Co. Ltd

    Luntai County · XinJiang · 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-1242API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Bohai Equipment New Century Machinery Manufacturing Co., Ltd.

    Tianjin · 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

    Certification standards: API-11B

    View detailsContact supplierCompany website
    View 1 related certificate record
    • 11B-0182API-11B

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Steel Sucker Rods and Steel Pony Rods; Sucker Rod Couplings

  • Cangzhou Blue Ocean Pipe Corporation

    Yanshan · Hebei · 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-2257API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Cangzhou Ruitai Petroleum Machinery Co., Ltd.

    Cangzhou · Hebei · 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-1425API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • CGE Group Zhangjiakou Exploration Machinery Co., Ltd.

    Zhangjiakou · Hebei · 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; Sub-couplings; Sucker Rod Couplings; Steel Sucker Rods and Steel Pony Rods; Sinker Bars

    Certification standards: API-11B

    View detailsContact supplierCompany website
    View 1 related certificate record
    • 11B-0050API-11B

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

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

  • Changshu Petroleum Cementing Tools Co., Ltd

    Changshu · Jiangsu · 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-2386API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings

  • Changzhou Haitong Petroleum Tube Co., Ltd.

    Changzhou City · Jiangsu 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 supplierCompany website
    View 1 related certificate record
    • 5CT-0663API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Chengde Jianlong Special Steel Co., Ltd. dba Chengde Yanbei Metallurgical Material Co., Ltd.

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

    Products and scope listed on the certificates

    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…

    Show full text

    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; Line Pipe Plain End at PSL 1; Line Pipe Plain End at PSL 2; Line Pipe Plain End at PSL 2 - Service Annex H; Line Pipe Plain End at PSL 2 - Service Annex J; Line Pipe Plain End at PSL 2 - Service Annex N; Line Pipe Couplings; Processed Line Pipe Plain End PSL1, PSL2, Annex H, Annex J, and/or Annex N

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

    View detailsContact supplierCompany website
    View 2 related certificate records
    • 5CT-2296API-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…

      Show full text

      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

    • 5L-1253API-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 H; Line Pipe Plain End at PSL 2 - Service Annex J; Line Pipe Plain End at PSL 2 - Service Annex…

      Show full text

      Line Pipe Plain End at PSL 1; Line Pipe Plain End at PSL 2; Line Pipe Plain End at PSL 2 - Service Annex H; Line Pipe Plain End at PSL 2 - Service Annex J; Line Pipe Plain End at PSL 2 - Service Annex N; Line Pipe Couplings; Processed Line Pipe Plain End PSL1, PSL2, Annex H, Annex J, and/or Annex N

  • Chuannan Energy Technology Co., Ltd

    Luzhou City · Sichuan 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-2044API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • CNOOC EnerTech Equipment Technology Co., Ltd./Machining & Manufacturing Branch

    Tanggu District · Tianjin · 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-2542API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Da'an Hongyuan Pipe Industry Co., Ltd.

    Da'an · Jilin · 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-1400API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Dalipal Pipe Company

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

    Products and scope listed on the certificates

    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…

    Show full text

    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

    Certification standards: API-5CT

    View detailsContact supplierCompany website
    View 1 related certificate record
    • 5CT-0526API-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…

      Show full text

      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

  • Daqing City Puqing Drilling 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 Couplings; Casing or Tubing Pup Joints

    Certification standards: API-5CT

    View detailsContact supplier
    View 1 related certificate record
    • 5CT-2116API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings; Casing or Tubing Pup Joints

  • Daqing City TianDeZhong Petroleum Science and Technology Limited Company

    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-2083API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Daqing Danfeng Petroleum Technology & Development 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-2253API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; Casing or Tubing Couplings

  • Daqing Hongbo Shengda Petroleum Machinery Equipment Co., Ltd.

    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 Couplings

    Certification standards: API-5CT

    View detailsContact supplier
    View 1 related certificate record
    • 5CT-2531API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Couplings

  • DAQING JINGTAI MACHINERY MANUFACTURE 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-1967API-5CT

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Casing or Tubing Pup Joints; 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.

Corrections & feedbackSources & trust