Barite and calcite are common non-metallic minerals. What kind of grinding mill machine can be used to grind barite and calcite? The ultrafine mill equipment of GK can be used to grind fine powder projects, and the Raymond mill equipment can grind 80-400 mesh ore powder. For the sake of customers, GK has a one-to-one system selection and configuration scheme, which is conducive to increasing production and generating income.