We, Hejian Guangda Petroleum Drilling Equipment Sales Co., Ltd., are a professional company specialized in supplying tri-cone bits, steel teeth bits, single cone bits and others, with sizes ranging from 3-7/8" to 26" and covering almost all IADC codes. Our products can be used in several different fields, such as mining, hydrology, subterranean heat piling, water well drilling and oil well drilling.



The bits have optimal bearing design, and can work stably in high WOB. The quality tungsten carbide inserts on cone and gauge make good wear resistance, largely extending...