... usage,such as:document bag,clip,separate page,indication piece,fixed piece,and compress piece ... Film machine, Cpe Film mahcine, Casting machine, Extrusion Line, extruder, extrusion film, die-casting machine, casting film machine, ... , cast film extruder, extrusion film machine, cpp extrusion line, cpe extrusion line, film extrusion machine, film extrusion line, multilayers film machine, multilayers ...