Flat bottom silos (also called flat bottom bins, flat bins) are commonly selected steel silos or steel bins to storage bulk grains and other materials. Large volume storage is its typical feature, the storage volume of this type grain storage silo ranges from 39 m³ to 29726 m³.  These grain bins are erected on flat or conical concrete foundations for long-term storage of large quantities of grain, seeds, pellets and granular products, etc. All our flat silos or flat bins are designed, manufactured and installed in accordance with D-4097 or ASTM D-3299 standards.