Caster, Wheel, Airport Trolley manufacturer / supplier in China, offering 250kg Durable Nylon Foot Caster Aluminum 52mm PA Swivel Style Adjustable Bolt Hole OEM Leveling Caster, 40mm Heavy Nylon Foot Caster with Aluminum Wheel Durable PA Swivel Style Adjustable Bolt Hole OEM Customizable Leveling Caster, 750kg Heavy Duty Nylon Foot Caster Wheels PA Swivel Style with Adjustable Bolt Hole Aluminium&PU for Furniture Application and so on.