Industrial Caster manufacturer / supplier in China, offering 3+4-Inch Directional Agv Obstacle-Crossing Wheels with a Load Capacity of 200kg, 3 + 4 Inches Omnidirectional Agv Obstacle-Crossing Wheels with a Load Capacity of 200 Kilograms., 6-Inch Agv Rubber Obstacle-Crossing Caster with a Load Capacity of 300 Kilograms. and so on.