Anhui Ningguo Chengxin Wear Resistant Materials Co.,Ltd. ?hereinafter referred to as“Anhui Chengxin”?is a wholly-owned subsidiary of Anhui Qasim Grinding Ball Group which has specialized in manufacturing cast grinding balls, forged balls, and grinding ball production equipment for the world of mining, cement, thermal power plants, magnetic materials, new building materials, chemical industry, and other fields.https://www.cxgrindingball.com/