Zhengzhou Ruitong Heavy Industry Co., Ltd. is a mining machinery company mainly engaged in manufacturing of grinders, crushers, mineral processing machines, integrating research and development, design, manufacturing, sales and after-sales service. It has now over 200 employees, including more than 20 middle and senior technical personnel staff. It possesses over 10,000 square meters of standard plant buildings as well as modern offices, R&D center and sales center. For years, the company has been strengthening introduction and digestion of domestic and foreign advanced technologies,...