Gold Member Since 2010
Audited Supplier
Puyang Zhongshi Group Co., Ltd.

Drill Pipe, API Drill Pipe, Oilwell Drill Pipe manufacturer / supplier in China, offering 3 1/2" API 5dp Standard Drill Pipe, API Certificated Valve Ball and Valve Seat, API Spiral Blade Cast Aluminum Centralizer and so on.

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