Shandong Iraeta is a China-Spain joint venture with Gestamp. We provide steel grinding balls diameter 25-150mm with yearly output 200,000 tons.The steel grinding balls are mainly used in precious-metal industry, such as gold mines, nickel mines and copper mines and so on;cement industry and power station.Academician workstation,Raw material from big steel mill,Automative equipment,Unique heat-treatment,National lab,Certifications,all that makes us become one of the largest manufacturers of grinding balls in China.