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