... by gear box.6.Three backstands pneumatically wide belt paper unwinding driving and individual web tension control ... embossing, steel to steel embossingBottom Embossing RollerFelt roller, Paper roller, Rubber rollerUnwinding Unit1-3 ply,15~30gsmPneumatic ... embossing, steel to steel embossingBottom Embossing RollerFelt roller, Paper roller, Rubber rollerUnwinding Unit1-3 plyUnwinding Unit Drivinggear ...