Our Silo material is bistratal galvanized steel, rust-proof even use for many years but new as before. There is no rusty spot on our silo. It has good air-tightness so you will not worry about leaking of the storage material.
Steel silo is used to store different bulk material, including the solid material storage, also the liquid material storage. At present we newly lunch a complete set of biogas slurry silo arranged in environmental project.