Earth Boring Tools Pr52 R. C Hammer Drill Bit Shround The Best Choice for Heavy-Duty Drilling
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We are capable to design and manufacture according to customer's requirement on the Bit Dia\No., Air holes, carbide button shape and the bit face shape. High air pressure and low air pressure. Thanks to our long year experienced technicians and engineers......
Changsha Chaojingang Machinery Manufacturing Co., Ltd.
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