Product Description Coupling, Expansion Coupling Sleeve, Synchronous Pulley, Belt Pulley, Flexible Coupling Element, Elastomeric Coupling Element, Transmission Parts Description-Expansion Coupling Sleeve Pulley: Elastic couplingSince the middle of the last century, we have had a reputa e as a market leader in the development of clutch technology, hydraulics and drive components. On the basis of an … Continue reading China Hot selling Coupling, Expansion Coupling Sleeve, Synchronous Pulley, Belt Pulley, Flexible Coupling Element, Elastomeric Coupling Element, Transmission Parts