... mainly contains roller, rack , backplane, adjustment, device , transmission system, roller temperature control device, security device ,lubricating device,etc. Features ... hardness , wear-resistent and durable life. Steam , cooling water, and heat-conducting oil can pass into the rollers ... China.Tel: +86 13913337177Fax:+86-25-57889098Sales:Helen 2013 Hot Selling Rubber Calender with CE Certificate