USE SJ Series PE Plastic Film Blowing Machine can produce differnt width PE in different thickness with good performance. FEATURE 1.The main motor adopts frequency control of motor speed to improve the speed regulating stability of main motor and save electricity. 2.The screw and material barrel adopt 38 CRMOALA which has been nitrogen treated 3.The traction frame adopts lifting type. No matter what size the film is, big or small, it can achieve the best effect of cooling. Main technical parameters: