https://www.cxgrindingball.com/grinding-balls-uses/ Grinding Balls Uses Ningguo Chengxin has its own professional R & D team and 8 engineers responsible for production technology. As a reliable grinding balls supplier, we will recommend more suitable and scientific products to customers based on their specific working conditions, ore hardness, size of ball mill and customer requirements, so as to truly achieve stable and increased production for customers.All Rights Reserved