Zhuzhou Development Tools Co., Ltd.   

The company has dozens of sets of CNC lathes, ordinary lathes, milling machines, drill milling machine, planer, boring machine, grinder, drill press, high-frequency heat treatment welding equipment, hydraulic machine, sandblasting machine, etc. production mine drilling tools of professional equipment. Production word bit, cross bits, the ball tooth bit, X type drill bit, connected sets, latent hole drill, roller cone bit, milling cutter head Wa Luchi, tapping hole drill, engineering tool etc.. Products are widely used in a variety of ferrous metals, nonferrous metals, nonferrous metals, coal, graphite, limestone, hydropower station, quarry, highway railway tunnel, construction site, etc....