1.CE certification 2- To produce HDPE,LDPE,LLDPE film etc. 3- High output 4- best quality High speed film blowing machine Its extruder, cylinder and screw rods are made of quality alloy steel that have been nitriding and processed in a precision way. Hence it is sound in hardness, durable in corrosion resistance. The specially-designed screw is of sound quality in plasticizing, which helps ...