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

Valve Ball and Seat, Stellite Valve Ball and Valve Seat, Tungsten Carbide Balls manufacturer / supplier in China, offering Stellite Balls and Seats for Oil Pump Valve, Spiral Vane Cast Aluminum Rigid Casing Centralizer, Slip on Welded Bow Spring Casing Centralizer and so on.

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