Zhengzhou Zhongbang Superhard Tools Co., Ltd established in 1990, locates in the biggest grinding material and grinding tool base – Zhengzhou. We are member unite of CFSMA and CMTBA. We have dedicated to the research & development of the super-hard grinding tools for many years. Expand from a small to a large force, from extensive to intensive, we build up perfect manufacture and quality control system. We own many advanced producing and inspecting machines, such as high precision CNC lathe, high precision grinder, CNC milling machine, projector, profile meter, Carl Zeiss CMM, professionally producing grinding tools for brake pad, engine valve, screw compressor rotors, camshaft, composite, gear, high precision military industry as well as many other industries.