1.MX700L single-layer plastic sheet extrusion machine is by the extruder, three roller Calenders, cooling tray, coiling machines, waste takein machine and electric control cabinet. 2. the screw and barrel, screen changers, die top major components made of high quality alloy steel (38CrMoAlA) and nitrogen treatment, high hardness, corrosion resistance, long life and other advantages. 3. the calendar using worm gear, sheet of high quality is guaranteed. 4. screen changer through hydraulic screen changer. Convenient operation and improve production efficiency.