Cangzhou Great Drill Bits Co., ltd
bit, drill bit, rock bit, tricone bit, pdc bit, drill tools, oil drilling bit
GREAT is a leading supplier of premium drilling products and services to the worldwide Oil and Gas industry. We have more than ten years experiences in supplying professional solutions on shore and offshore, and try our best to create the level of added value for our customers.
We specialize in designing, manufacturing and marking of various high quality diamond drill bits for various petroleum drilling activities. Products series classified by cutting elements covers PDC bits, TSP bits, Natural diamond bits , impregnated diamond bits. Product series classified by purpose covers diamond drill bits, coring bits, bi-center bits and reaming tools while drilling. Size of various bits and special tools covers from 3 1/2” to 26”, includes standard size and nonstandard size.