PE film blowing machine with rotary die, film blower, plastic film machine SJ-55B PE film blowing machine with rotary die, film blower, plastic film ... Film folded width: 400-800mm Main motor power: 15kw Heating power: 14kw Output: 55-60kg/h Weight: 2.5tons Machine size: ... durven by torque motor, with even and smooth rewinding and easy roll changing PE film blowing machine with rotary die, film blower ...