Anyang YUDING Trading Co., LTD. is established in 2008. It is majored in forging steel grinding ball. We have the right to manufacture and export grinding media ball . our ball is applied incement building materials. Metal mining, coal slurry thermal power plant, chemical engineering, ceramic industry, dope industry, light industry, magnetic Our company has standardized testing center equipped with metallurgical, microscope, impact testing machine, Rockwell hardness tester, far infrared thermometers and other advanced testing equipment, also owns a group of high standard quality management and testing persons, perfect quality management system, make high quality control standard to be implemented in the whole process of production and management. We want to cooperate with every company from the world. Our purpose is makong the better benefit with our partners. skype:nihaonihao23777 86-372-3991887