Zhengzhou City Doly Machinery Co.,Ltd is an enterprise integrating R&D, sales and after sales of mechanical equipment. Product quality is the first priority, with the support of new and old customers, So far, the company’s products have been exported to more than 30 countries around the world, customers and friends are very satisfied to our products and services. Based on innovation, efficiency, unity, high quality, which is people-oriented and quality-oriented, sincerely cooperation with you!