Double-head film blowing machine LDPE, HDPE, LLDPE film extruder Double head, double rewinder for high output CE certificate CharacteristicsBoth the ... the best hardness and corrosion resistance.,Scientifically designed,this machine set has two heads for one extruder with such ... energy,labour and workshop area,etc.UseThis machine set is used for blowing Low-density polyethylene(LDPE)and high-density ...