Because of the unique high load capacity, high elasticity, wear and tear resistance of our casters and wheels, we are widely chosen by many customers in Europe, America, Asia and so on Our product lines include: polyurethane wheels with cast iron centre polyurethane rollers with cast iron centre polyurethane rollers with steel centre polyurethane wheels with aluminum centre polyurethane wheels with nylon centre polyurethane rollers with nylon centre polyurethane sheets, rods and tubes