About Us

• Hebei Ranking Bit Manufacture Co,LTD is mainly engaged in thedevelopment of various series of bits,development,production andsales.Ranking company has developed and mass-produced products 3 inchesto 26 inches series steel rock bit,various types of PDC bits,corebit and production and processing assembly 0.6m to 3m largediameter hole openers.Widely used in the oil,naturalgas,hydrology,address,ore drilling engineering,product marketingthe country and 20 countries and regions in theworld. Ranking various rock bits,to ensure full compliance with all theterms and standard of American Petroleum Institute APIspecification,design,manufacturing and production and to ensurefull compliance with the API specification requirements andcontent.