With the vigorous development of industry, various industries have tremendous changes in their raw material fineness, particle shape, coating, energy consumption, environmental protection, technical standards and requirements. In order to cope with marketing changes, choose more suitable equipment, continuously optimize process, tap the potential of equipment, help you improve product quality and production process, improve energy efficiency, maximize economic benefits. ALPA launched the “Knowledge Hall” column. Let you know the latest and most valuable information and lead your peers.