Hebei Ranking Bit Manufacture Co., Ltd. is a leading manufacturer of quality rock bits. We supply the industry with quality tools such as tricone bits, hole openers, PDC reamers, single roller cones, PDC bits, drag bits. Suitable for water well drilling, trenchless, construction, Horizontal directional drilling(HDD), geothermal, environmental, civil engineering, telecommunication pipeline. Exporting countries: USA, Australia, Chile, Brazil, France, Poland, Sweden, South Africa, Morocco, Philippines, Indonesia, etc.