ZWell can produce and customize various diameter grinding ball for the SAG-Ball Mill grinding process. The SAG (semi-autogenous grinding mill) is a grinding equipment with two functions: crushing and grinding. In addition to the crushed material itself as the grinding medium, large size steel ball is added. SAG mill can directly add large specifications of mineral particles.SAG mills have very wide application range, which expanded from the processing of non-metallic ore to ferrous metal, non-ferrous metal ore such as copper ore, molybdenum ore, lead and zinc ore and rare metal ore.