H/LDPE film extrusion machine high speed H/LDPE film extrusion machinethe machine used LDPE or HDPE as materials,after being heated,extruded,drewn,and winded, the materials become cylindrical plastic film through cutting and sealing ,the cylindrical film can be made into food packaging bag,shopping bags or liner bag within woven bag, the film can be used form agriculture film,field film and shed ...