Caster, Cargo Trolley, PU Caster manufacturer / supplier in China, offering 2.5" 3" 3.5" 4" 5" Cast Iron Swivel Lock Caster Shipping Container Wheels, 1.5/2/2.5 Inch Gold Drill PU Casters Top Plate with Brake TV Cabinet Casters, Furniture Office Chair Swivel Caster White Castor Wheel and so on.