Development history Shandong Youyi Machinery Technology Co., Ltd. is located in the national high-tech industrial zone of Jining City, Shandong Province, which is "the hometown of Confucius and Mencius and the state of etiquette". It covers an area of more than 60000 square meters and has fixed equipment assets of 120million yuan. It is a joint-stock enterprise integrating scientific research, production and sales. The company focuses on and specializes in the production and research and development of road maintenance machinery and equipment and maintenance materials, and uses scientific road maintenance solutions to serve the cause of road maintenance. It has formed the research, development and production practice of ...