OFMP

Find suppliers

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

Standard：4FProduct scope：Crown Block AssembliesClear all

Filtered results

29 supplier profiles · 29 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.

  • Xuzhou XCMG Foundation Construction Machinery Co., Ltd.

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

    Products and scope listed on the certificates

    Masts; Derricks; Crown Block Assemblies; Substructures

    Certification standards: API-4F

    Certificate dates need review
    • 4F-0495: The listed expiration date is past, while the source says Active. Verify the current status.
    View detailsContact supplier
    View 1 related certificate record
    • 4F-0495API-4F

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Masts; Derricks; Crown Block Assemblies; Substructures

  • Zhongman Petroleum Equipment Group Co., Ltd.

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

    Products and scope listed on the certificates

    Masts; Crown Block Assemblies; Substructures

    Certification standards: API-4F

    View detailsContact supplierCompany website
    View 1 related certificate record
    • 4F-0330API-4F

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Masts; Crown Block Assemblies; Substructures

  • Zhongyuan Drill & Production Equipment Plant of Zhongyuan P.E. Bureau

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

    Products and scope listed on the certificates

    Masts; Crown Block Assemblies; Substructures

    Certification standards: API-4F

    View detailsContact supplierCompany website
    View 1 related certificate record
    • 4F-0099API-4F

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Masts; Crown Block Assemblies; Substructures

  • ZYZJ Petroleum Equipment Co., Ltd.

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

    Products and scope listed on the certificates

    Substructures; Crown Block Assemblies; Masts

    Certification standards: API-4F

    View detailsContact supplierCompany website
    View 1 related certificate record
    • 4F-0089API-4F

      Product licenceSource status: Active

      Effective
      Expires
      Source status changed

      Substructures; Crown Block Assemblies; Masts

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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