1.Simple structure, Operate Conveniently. 2.With automatic stop system 3.Cam drive ,stable performance Function: It can be used ... motor is 7.5kwWith Frequency control and 6 electric switchWith automatic yarn-break stop systemLet -off mechanism:4 pcs of ... kg):about 12500kgAdvantage:1.Simple structure, Operate Conveniently.2.With automatic stop system3.Cam drive ,stable performance4.The main motor ...