Rubber engineering series products are widely used in daily life. Similarly, our rubber engineering products are also divided into several parts. First of all, we offer bridge bearing products. These products are jointly developed by our R & D department and the University of Science and Technology of China Engineering Laboratory, and our new bridge bearing products have increased the carrying capacity of the same products developed by other companies by 40%. At present, our product has been widely used in many domestic bridge products, our feedback is very good.