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OCTG Couplings

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China J55 4-1/2" Seamless Steel Casing Green Pup Joint Casing factory

J55 4-1/2" Seamless Steel Casing Green Pup Joint Casing

Tubing Waste Pipe Fittings , Galvanized Coupling Petroleum Transportation Applied Couplings are used to connect two joints of coupling or casing pipe together. Couplings are short length of heavy wall pipe with ... Read More
2023-01-31 15:25:08
China Oil Well OCTG Couplings Green Api 5ct Casing Coupling factory

Oil Well OCTG Couplings Green Api 5ct Casing Coupling

Male Female OCTG Couplings N80 L80 P110 Grade Equal Shape Couplings are used to connect two joints of coupling or casing pipe together. Couplings are short length of heavy wall pipe with the same threads on ... Read More
2023-01-31 15:21:37
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