Caster, Wheel, Airport Trolley manufacturer / supplier in China, offering 4inch Swivel Brake Type Medical Caster 6mm Thickness All Plastic Medical Equipment Wheel 4" 3" Hospital silent Running Castor, 4inch Screw Type All Plastic Material Hospital Tool Caster 100kgs Heavy Duty Medical Trolley Castor with PA Fork 4" 3" Medical Bed Caster, 4inch Swivel Locking Design Medical Caster 4" 3" TPR Wheel Hospital Bed Wheel with Brake All Plastic Wheel and so on.