Casters, Industry Caster, Polyurethane Casters manufacturer / supplier in China, offering 100/125/150/200mm Casters Heavy Duty 4/5/6/8 Inch Caster Swivel PU Industrial Castor Wheel with Metal Brake, 3 4 5 6 8 Inch Non-Marking TPR Thermoplastic Rubber Heavy Duty Caster Wheels Carsun Caster for Industrial / Commercial Trolley, 3 4 5 6 8 Inch Nylon Wheel Heavy Duty Industrial PP Plastic Core Swivel Plate Caster Wheel with Brake for Trolley and so on.