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Petroleum casing is an important equipment for oil drilling. The thread surface of oi...
API Standard drill pipe application casing pipe casing pipe,pipe casing,well casing ...
API Standard casing pipe application for well drilling Company Hebei Borun Steel Tra...
API 5CT OCTG seamless carbon steel oil casing pipe and tubing Company Hebei Borun St...
oilfield equipment:casing pipe Company Hebei Borun Steel Trade Co.,Ltd Product Name...
API 5CT specification for casing pipe and tubing Company Hebei Borun Steel Trade Co....
Oil Gas Sewage Transport seamless black steel pipe Company Hebei Borun Steel Trade C...
GB713 Q370R steel grade is a alloy pressure vessel steel with specified elevated temp...
Specifications of API 5CT Tubing Dimension range (OD inch): 2-3”/8----4-1/2”(60.32mm...