USAGE ; BE SUITABLE FOR ROTOR OF MOTORCYCLE ELECTROMOTOR,SERIES INDUCING ELECTROMOTOR AND PERMANENT MAGNETIC ELECTROMOTOR TO WIND SEMI-AUTOMATIC. FEATURES; USING PLC AND CHINESE INTERFACE TO SET THE OPERATION,PRINCIPAL AXIS CHANGE RATE STEPLESSLY BY FREQUENT CONVERSION,AUTO-CLIP TIGHTLY,CIRCLE LOCATED,WINDING,HANGING ON HOOK BY HAND.