Yanfeng Abrasives has long been engaged in technical cooperation with Qingdao University of Science and Technology and Zhengzhou University of Technology, using advanced testing equipment such as projectors, yaw meters, dynamic balancing machines, rotorless vulcanizers, hardness testers and various measuring instruments and testing tools. In addition, we can cooperate with customers to develop products for various types of rubber wheels and special-shaped non-standard rubber abrasive tools.