Industrial Caster manufacturer / supplier in China, offering Customized Double-Rotating Agv Rubber Wheel with a Diameter of 280mm, The 3-Inch Heavy-Duty Screw Rod Agv Caster Has a Load-Bearing Capacity of 550 Kg., 4 "Polyurethane Caster Heavy Duty Double Wheel Load Capacity 600 Kg and so on.