Anhui Ningguo Ninghu Steel Ball Co., Ltd of Ningguo City, Anhui Province, is a backbone enterprise, high-tech enterprise, ISO9001 quality system certification enterprise and designated supporting enterprise of large domestic import and export companies with a history of more than 20 years, integrating R & D, production, sales and service. Through the unremitting efforts of all employees, the company has developed into a wear-resistant material production enterprise with leading production technology, advanced production equipment and an annual output of 50000 tons.