1)economical 2)for make HDPE, LDPE, LLDPE film 3)for make plastic bag, garbage bag,packing film etc PE film blowing machinepe film blowing machine /LDPE/HDPE film blowing machine /film blowing machine ,china film blowing machineUseage :It is used for blowing the various film of low density polyethylene(LDPE),high density polyethylene(HDPE)and linear low density polyethylene(LLDPE)etc, Wich are ...