ChumPower, founded in 1981, is a well-known precision chuck manufacturer. The products are marketing and proved excellent all over the world. Drill chuck is necessary in the industrial application. It is used popularly su......ChumPower, founded in 1981, is a well-known precision chuck manufacturer. The products are marketing and proved excellent all over the world. Drill chuck is necessary in the industrial application. It is used popularly such as all kinds of lathes, hand tools, power tools, air tools, medical appliances, CNC, and so on. We devoted to develop easy-to-operate, strong function, good quality tools which especially combining the tools in hand to fulfill users different needs. The keep-going innovation has obtained prosperous feedback from international patterns issue, including hand tight chuck, slip-free chuck, auto tight chuck, high torque chuck and all expected revolutionary products, which are to be introduced to worldwide market day after day. Products Key Type、Keyless、Drill Chucks, Universal Chucks ,Tap Chucks ,Spindle Clamping Systems , Collet, Chuck Tool, Tooling Systems, Tool Holder, Spindle Grip and Collant Parts, VDI, Vises, Vices. JIS、DIN、ISO、BT、NT、CAT、SK、HSK.