Caster, Wheel, Airport Trolley manufacturer / supplier in China, offering 100mm PU Wheel Castor with Locking 280kgs High Load 4inch Without Brake Type Welding Steel Heavy Duty Industrial Caster, 100mm PU Wheel Castor with Locking 280kgs High Load 4inch Brake Type Welding Steel Heavy Duty Industrial Caster, 150mm Heavy Duty PU Scaffold Caster Locking Type Swivel Pin Brake Castor for Scaffold Ladder Polyurethane Scaffolding Wheel and so on.