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Premium Thread Coupling

  1. All of our couplings are made from high quality api couplings raw material.
  2. Grade : J55,K55,N80,L80-1,L80-3Cr,L80-9Cr,L80-13Cr,P110,13Cr-110
  3. Feature:Premium threaded connections use metal-to-metal seals to ensure both liquid and gas sealability.
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TIANJIN RICHSEN OIL EQUIPMENT CO.,LTD is an OCTG Comprehensive solution provider based on China serving global market. 

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