... roller vertical. Group A: the upper roller is mirror heating roller, and the lower is soft roller; Group B, the upper roller is soft ... roller, and lower is normal mirror roller. 2. The width of the products are 1,800mm, 2,000mm, 2,200mm ... between rollers is 60T,80T,100T and 120T. 5. The working temperature of mirror roller is lower than 220 Degrees Celsius, and ...