Tejarat Gostar Poya Cellulose Mana was established with the goal of producing paper rolls, and plans have been made to set up its production lines in the city of Marivan. Thermal rolls are a type of special paper that changes color when exposed to heat without the use of traditional inks. These papers are commonly used in digital cash registers, thermal printers, devices such as cash registers, credit card terminals, and more. They are made using special heat-sensitive materials.