Coupling

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  • 2022-11-08

    The sucker rod coupling have the same box thread size in each end are used for connecting sucker rod and/or pony rod, and/or sinker bars with sucker rod threads.Specification: 5/8”, 3/4”, 7/8”, 1”, 1-1/8Class: T, SM (Spraying Metal)Standard: API 11B

  • 2022-06-29

    The sucker rod centralizer used for screw pump ordered by company's customer has completed the production, inspection, packaging and other work at the beginning of this week, waiting for the customer's notification to send it to Tianjin Port. The centralizer is in the form of a sucker rod pup joint

  • 2022-06-07

    The sucker rod coupling have the same box thread size in each end are used for connecting sucker rod and/or pony rod, and/or sinker bars with sucker rod threads. Specification: 5/8”, 3/4”, 7/8”, 1”, 1-1/8Class: T, SM (Spraying Metal)Standard: API 11B