The mirror roller is the essential component used in sheet, board and film equipment for plastic packing industry. Mirrior rollers are widely used in three roll calender, sheet extrusion line, calender machine, coating machine, leather machine and other equipment, can make pressing process to the surface of plastic (PVC, ABS , PP, PE, PT, PC, etc.), metal, leather, leatheroid, paper, glass, textiles and other materials.