Hwm, means harmony world.Man and Nature. We do products which is good for the global nature enviroment. Like universal cnc graphic card( Cga Ega Mda Rgb Rgbhv Rgbsog Rgb sync s-video video to x Vga Convert graphic card model.8219), which is used to replace the old CNC CRT monitor with a new generation LCD monitor. The 8219 has been tested and successfully comptible with all old generation old cnc machine control system like Fanuc control system, Mazak Control system, Siemens control system, Hitachi control system, GE control system, Heidenhain control system etc. So this graphic card has been widely use to repair old cnc's display system. also like our Lead-acid battery recover system including multi-functional lead-acid battery reconver instrument, high definition charging and discharging capacity instrument, battery protector. This lead-acid repair&recover system widely used in recycle use of the old defect lead-acid battery.