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north camp,shijiazhuang,Hebei,China China
we focus on the total needs of our clients and always emphasize on the best quality and service, prompt delive
Tool joints for drill pipe for oil or natural gas well is a welding neck joint with drill pipe during oil and
Drill collars are made with material AISI ***5H in accordance with API Spec 7, and heat treated by continuous
we are a professional manufacturer with drill pipes in China, including normal drill pipes, heavy weight drill
We Supply virtually all sizes of drill pipe for all your drilling needs. In many of the more popular sizes, we
Our heavy weight drill pipes are made with AISI ***5 alloy steel and fully heat treated, Production process st
Contact Person Ms. Amy Dong
Address north camp, shijiazhuang, Hebei
We will contact you soon .
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