Hejian Yinhai Rock Bits Manufacture Co., Ltd.

Hejian Yinhai Rock Bits Manufacture Co., Ltd is a professional Tricone maker with more than 10 years experience. Our product from 61/2" to 20" IADC code 517, 537, 617, 637, 515. Our bits holds very good reputation in water drilling market China, while the price competitive Golden ...

Telephone：971-50396-7819Address：D-08 china clastic, international city, dubai, UAE