Profile: Hebei Xiangyi International Trading Co., Ltd specializes in providing rubber stoppers. Our conveyor belt is made of multi-layer rubber cotton (poly-cotton) canvas bonded together, covered up and down to cover rubber, used for conveying small and medium-sized lumpy, granular, powdery materials. Conveyor belt is made of multi-layer rubber cotton (poly-cotton) canvas bonded together, covered up and down to cover rubber, used for conveying small and medium-sized lumpy, granular, powdery materials.