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          Welcome to Baotou Liande
          • Class T and Class SM coupling for sucker rods are manufactured as per API 11B Class T coupling is using AISI 5140 to manufacture. AS for Class SM coupling, the spray metal is a specified hardening process which is used on the base metal. The couplings are available in full size, slim hole and over size. Also, combination couplings are available for different diameters (sub-coupling) for both Class T and Class SM couplings
          • Steel sucker rod is the major equipment for oilfield. We provide grade C, D, K, KD, HL, HS and special alloy sucker rod which are made according to API Spec 11B. Grade C sucker rod is made of fine carbon-steel, featured by moderate strength, good plasticity and better corrosion-resistance. Grade C sucker rod is suitable for sour medium environment where they are not susceptible to sulphuric stress cracking.
          • Drive uedbets for Progressing Cavity Pump applications are available in 1” (25.40mm), 1 1/4” (31.75mm) and 1 1/2” (38.10mm) body diameter and in 25’ (7.62m) lengths.
          • Sinker bars provide concentrated weight above the pump to help keep the rod string straight and in tension, which reduces buckling of the sucker rods or the pump plunger.Sinker bars are made from hot rolled carbon manganese steel bar stock. Sinker bars are surface turned and have API double sucker rod pins, shoulders, and wrench flats on both ends. One end has a reduced section for elevator seating and lifting.
          Established in 2004 and located in the well-known steel city Baotou, Baotou Liande Oil uedbet. (hereinafter referred to as "Liande”) is a private joint-stock company aiming at R&D, manufacturing, sales and technical services of sucker rod products for mechanical oil extraction.
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