♦ With spiral seal structure,the seam are very tight,and the silo is of good sealing performance.Short construction period.Steel silo is constructed on site.Silo roof is installed on the ground.The speed of meander-line can be 5m/mins and it doesn't need scaffold. 

♦ Small area occupancy,height and diameter are optional in a wide range.The distance between two silos can be minimized to 500mm to take the most of available space and reduce area occupancy.