... double color film blowing machine,pe single-screw extruding machine, pe plastic film machine, pe film blown machine One Screw Double-color Film Blowing Machine(No:06)Machine Key Words:film extruding machine, film blowing machine, pe extruder machiner, film blowing machine, double-head film blowing machineMachine Application:This machine ... , this machine set hs two heads for one extruder with such ...