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Casing Pipe: Technical standard: API SPEC 5CT、API SPEC 5B Product grade: H40、J5...
Process: Seamless Standard: API 5CT Out Diameter:Casing: OD 4 1/2"- 20" (114.3mm-50...
We, Hebei Borun Petroleum Pipe Manufacturing Co.,Ltd are an international manufactu...
Petroleum casing is an important equipment for oil drilling. The thread surface of oi...
Ductile iron manhole covers and gully grates are divided into the following classes: ...
Oil Gas Sewage Transport seamless black steel pipe Company Hebei Borun Steel Trade C...
API 5CT specification for casing pipe and tubing Company Hebei Borun Steel Trade Co....
oilfield equipment:casing pipe Company Hebei Borun Steel Trade Co.,Ltd Product Name...
API 5CT OCTG seamless carbon steel oil casing pipe and tubing Company Hebei Borun St...
API Standard casing pipe application for well drilling Company Hebei Borun Steel Tra...
J55 BTC oil casing pipes Company Hebei Borun Petroleum Pipe Manufacturing Co.,Ltd ...
N80 casing for the walls of oil Company Hebei Borun Petroleum Pipe Manufacturing Co....