pneumatic grain elevator: 1. Capacity: 25~75t/h 2. Warrenty: 1year Pneumatic Grain Elevator Usage:The machine used in warehouse, food processing plant, small tonnage port for loading and unloading bulk granular materials, such wheat, rice, corn, rapeseeds, soybean, cottonseeds, feed, etc. It can be extended to loading and unloading granular fertilizer, plastics, cement and other materials, ...