Characteristic of hopper-bottom silos: volume: 7.2m3-1855m3 capacity: 5tons-1250tons diameter: 1.8m-11m Full function of hopper bottom silo system 1, cleaning, drying and storing. 2, loading and unloading automatically and efficiently. 3, ventilation system can keep grain in a good quality. 4, temperature system for testing unusual temperature. 5, dedusting system for protecting environment Standard packing inside container or as you required