Can drive large inertia loadsHigh rigidity, no easy to twistlmprove the damping featurewhen starting and stoppingSaft and durable100% pure copper coil100% pure copper coil,smooth motor power output, drops of polymer paint coating,effectively isolated from dust,the life time is 10 times of normal coatingSilicon steel rotor High torqueUse international silicon steel totor,have high torque,stable output,low noise,long lift characteristics.