EPIC Powder Machinery paid a return visit to the Hunan customer of the 800-mesh barite powder SRM ultra-fine ring roller mill. The customer has successfully produced 325-mesh, 400-mesh and 800-mesh or more barite powder since it was put into operation in March 2017. , HCH barite ultrafine mill production line is running stably. As one of the barite producing areas in China, Hunan is rich in barite resources. Customers use the mining rights of property rights to conduct relevant environmental protection review and project construction. The current production is stable.