... machineUSAGEIt is the plastic film blowing machine for blowing PE (polyethylene) shrinkable film and normal LDPE, HDPE, LLDPE film etc.PE film is ... Gear box: HARD teeth gear surface, casting alloy piston, high precise grinding. Supplied from Wanda®, Jiangsu.4. Die material ... , and our factory passed ISO certification, quality guaranteed.7. For more machine functions, we have rotary die head, ...