HEJIAN YINHAI ROCK BITS MANUFACTURE CO., LTD.  

HEJIAN YINHAI ROCK BITS MFG.: Hejian Yinhai Rock Bits Manufacture Co., Ltd is a ROCK BITS enterprise, our bits basing on high-tech skills and designs are used in the exploitation of natural gas, crude oil, waterwell, geological exploration and so on. There are technical research team, production management team and professional sales team in our company to serve customers. Both standardized tricone bits produced strictly according to API and rock bits-customizing used in various construction works are provided. Good quality is the main aim we abide by, ever and forever. YINHAI Location: -The company is located in Junziguan Industrial District, Hejian city, Hebei province, where there is the main source of rock bits manufacturing and distribution of China and is only 200km from Beijing Capital International Airport. YINHAI Business/Market: -Our main products include tricone bits (both Steel Milled Tooth and Tungsten Carbide Inserts Bit) from 3" and 20" inch and PDC drill bits from 3 ... [View More..]