Steel Pipe manufacturer / supplier in China, offering API 5L Pipeline Grade B X42 X46 X56 X65 X70 Welded/Seamless Line Pipe, OCTG Steel Casing 13 3/8 API 5CT Weight 68 Lb/FT Grade N80 Connection Btc Range 3 Seamless Oil Well Casing and Tubing Pipe, Pipe End Protector Electric Power St Standard Cold Rolled Hot Rolled A106 Carbon Seamless Steel Pipe and so on.
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