... blower, plastic film machine SJ-55B PE film blowing machine with rotary die, film blower, plastic film machineIt is suitable for blowing ... film has fine finishing. The blower is of labyrinth structure with even air output. 3) The re-winding unit adopts pressure ... durven by torque motor, with even and smooth rewinding and easy roll changing PE film blowing machine with rotary die, film blower, plastic ...