Jiangsu Zhongyan Coupling manufacturing Co., Ltd. is a high-tech enterprise integrating R & D, manufacturing, and sales. Company products are widely used in metallurgical equipment, mining equipment, water equipment, lifting equipment, paper equipment, port equipment and other industries. Company brought together a number of professional and technical personnel, with a complete range of production equipments, high-tech testing means, perfect quality assurance system, to create first-class products and services to provide a reliable guarantee.