Our factory has own independent of department , including Metal working department, Motor department , Gear department, injection department , assemble department , package department and *****, importment spare parts be made of machine by ourselves product , it&＃039;s easier to control product quality, such as, Gear box (ANGLE GRINDER), stator and rotor are used of AU-Production line , GEAR , HOUSE .Others spare parts are provide by spare parts supplier. we have established cooperation relationship with FERM, SBW, SBM, JUMBEL, Masterwork and so on.