CR7200 series are designed and produced by our company. That is the strengthen model of CR5200, The chain equipped with double horizontal wheels to reduce the load of wheels and increase the vertical conveying capacity. The main parts are made of heat-treated medium carbon steel that improved the tensile strength and the using life for the chain. The CR7200 is simple in structure. And the tensile strength is two time than other Chinese made conveyor chain. The wheels shaft would not frayed or broke for long time use. It’s applicable for the high temperature working conditions。