CR7250 series are designed and produced by our company. The chain equipped with double horizontal wheels to reduce the load of wheels and increase the vertical conveying capacity. The feature is that each single hanging point with four vertical wheels to increase the loading capacity and equipped the enhanced vertical and horizontal wheels for this chain. 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 more 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。