ESA impression roller is use for ESA .it is well or no would influence printing quality . It is different from common impression roller ,because the ESA roller is covered with a semi-conductive rubber surface that is insulated from the roller shaft and press frame .Therefore ,it both have characteristic  of rubber , physical like common impression roller and fine conductive .E.Sun use scientific recipe ,strict technics and advanced testing that during produce rubber roller ,so E.Sun impression roller

                                    was hign quality as same as the world leader .