couch roll 1.low hardness and high elasticity 2.Dynamic equilibrium experiment 3.has the high stability couch roll1.low hardness and high elasticity2.Dynamic equilibrium experiment 3.has the high stability we can supply all kinds of rollers, such as press rollers, copper/chome plated roller, steel roller -water quenches roller, blind drilled press roller, coating roller, PU rubber roller, granite ...