Casters, Industry Caster, Polyurethane Casters manufacturer / supplier in China, offering 2.3 Inch Black Nylon Casters with Double Wheels Low Gravity U-Shaped Plate Steel Material Caster Wheels Swivel Caster, 2.5 Inch Black Conductive Polyurethane Casters Double Wheels Low Gravity Swivel Plate Steel Material OEM Caster Wheels, 150mm Heavy Duty Castors 6 Inch Nylon Conductive Antistatic Wheel Fixed Casters Industrial Swivel Caster and so on.