Shanghai yuying transmission system Co., Ltd. Is a Chinese core agent of dongyi brand in South Korea. Shanghai yu ying transmission system Co., Ltd. (formerly Shanghai changshou synchronous belt wheel factory) is a sino-foreign joint ventures registered in the international metropolis Shanghai, is a company engaged in the work of the transmission system research. Development. Production. Marketing for the integrated enterprise. Company's products are widely used in machine tools. Electronic. Steel. Textiles. Packaging. Tobacco. Food. Industrial automation in mechanical transmission in many industries, such as. The products sell well in more than 200 provinces and cities, and exported to Europe and the United States, southeast Asia and other countries and regions got unanimous approval and favorable comment of domestic and foreign customers. As a leading enterprise in the field of conveyor and belt, Shanghai yu ying transmission system Co., Ltd., after years of close cooperation with users, releasing accord with the actual application of the high quality products, the introduction of international advanced production lines, with Germany's advanced technology, and perfect testing equipment. Shanghai yuying continues to provide the most competitive industrial transmission products with the high quality and service of international first-class brands.