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Seamless OCTG Casing Pipe and Oil Tubing Pipe with J55/K55/N80/L80/P110/Btc/Stc/Ltc/R3, Find Details and Price about Casing Pipe Steel Pipe from Seamless OCTG Casing Pipe and Oil Tubing Pipe with J55/K55/N80/L80/P110/Btc/Stc/Ltc/R3 - Tianjin Tiangang Special Petroleum Pipe Manufacture Co., Ltd.