Company Description
Hejian Yinhai Rock Bits Manufacture Co., Ltd is a professional Tricone Bits maker with more than 10 years experience.
Hejian Yinhai Rock Bits Manufacture Co., Ltd. product is from 61/2" to 20" with IADC code 517, 537, 617, 637, 515.
Our bits holds a very good reputation in water drilling market in China, while the price is more competitive than Golden Kingdream and Volgaburmash.
Leave me a message or send me an email to : bitschina at gmail dot com