Casters, Industry Caster, Polyurethane Casters manufacturer / supplier in China, offering 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, 6inch Heavy Duty Casters with High Temperature Resistance of 300º C and Oven Specific Casters and so on.