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north camp,shijiazhuang,Hebei,China China
we are a professional manufacturer with drill pipes in China, including normal drill pipes, heavy weight drill pipes, drill collars, drilling joints a
We Supply virtually all sizes of drill pipe for all your drilling needs. In many of the more popular sizes, we also supply drill collars and hevi-wate
Drill collars are made with material AISI 4145H in accordance with API Spec 7, and heat treated by continuous gas furnace to meet the mechanical requi
Tool joints for drill pipe for oil or natural gas well is a welding neck joint with drill pipe during oil and natural gas drilling, including joints w
Our heavy weight drill pipes are made with AISI 4145 alloy steel and fully heat treated, Production process strictly follow SY/T 5146-1997 requirement
Contact Person Ms. Amy Dong
Address north camp, shijiazhuang, Hebei
We will contact you soon .
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