... machine is designed by us,it could be control steady,convenient operation. Self-acting roller shutters forming machine is designed by us ... ,it could be control steady,convenient operation,lower consumption.They have got high popularity ... -0.5mmForming Step:32-37 Main Motor:11KWPLC automatic control systemForming Spec:HZ37,HZ42,HZ55, HZ65,HZ77,HZ90