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R3 Heavy weight drill pipe
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Title：
R3 Heavy weight drill pipe
Unit price：
Negotiable
MOQ：
Negotiable
Quantity：
Negotiable
Delivery date：
Since the payment date Days delivery
Contact：
John zhang （Ms.）
Mobile：
Telephone：
Details
The HWDP's uses AISI 4145H alloy structural steel, the technique of production exactly carries on the SY/T5146-1997 standard R3 Heavy weight drill pipe
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