drill bits,diamond bit,PDC bit,oil bit ,drill rod,drill rig,rock bit,coal bit...

Industrial Developing Zone Cangzhou, Hebei

Cangzhou Corider Petroleum Machinery Co., Ltd.,with its strong scientific research ability, has its own technical experts who have years of experience in the field of researching, designing and manufa...

Cangzhou Corider P.M. Co. Ltd. is setting a benchmark in apparel and garments industry with trendy and quality Reamers. We are headquartered in Cangzhou, Hebei, China, with a technology advanced facil...

Drill bit Rock reamer Piling tools...