This machine is charaterized by following features:This machine set is the combination of such main parts as extruder ,calender ,winder ,and electric control console.The screw and the cylinder are made of high quality alloy steel (38CrMoAlA)with optimum hardness,strong corrosion resistance and long service lifetime after nitrogen treatmum hardness,channel in die head is of coat-hanger design and it ensures the evern thickness and the effect. The temperatuer of the die head,mesh change and the cylinder are separtely controlled. All gearing equipments of the set run synchronously.