Comerio Ercole with 130 years of experience in manufacturing industrial machinery, especially calendars in the field of tire, plastic, and non-woven, always offers the best ideas and the latest technologies to its customers. Comorio calenders and mill’s along with advanced mixers and roller head makes this company a leader in the world industry. At present, 12 complete lines of Comerio calendars and a large number of Comerio rolls have been installed in tire factories and other rubber industries in Iran. Comerio’s types of machinery are based on the latest technology in the world and can fully adapt to customers’ technology. its calenders could be divided into three general categories: Tire cord calender, Steel cord calender, Dual calenders with the ability to use both tire cord and steel cord.