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N80 casing for the walls of oil Company Hebei Borun Petroleum Pipe Manufacturing Co....
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Petroleum casing is an important equipment for oil drilling. The thread surface of oi...
Specifications of API 5CT J55 oil well casing Dimension range(OD inch): 4-1/2---20 ...
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We, Hebei Borun Petroleum Pipe Manufacturing Co.,Ltd are an international manufactu...
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2 3/8"-20" API 5CT tubing and casing Coupling and Connectors for oilfiled Api Casing ...