The extruder and haul-off device are adopted import AC frequency conversion and speed regulation system. It The vacuum pump and the haul-off motor are adopted high quality product n The haul-off device has following types: two claws. three claws, four claws. six claws, etc. Pk The cutting machine chooses saw slice cutting and planetary cutting methods. 14 This line is adopted a length-measure motor and a thickening system.