Steel silo, also called Lipp silo, was invented by Xaver Lipp from Germany. 4 related construction equipment are as follows.
Decoiling the galvanized coils.
Bending the material to a preliminary form with the required radian according to the diameter of the target silo.
Bending the initially formed material together, to form the spiral undercut of the warehouse.
Arranged according to the required diameter and circumference of the silo to carry a spiral rising silo.