Blast furnace sizes from 300 cubic meter to 4500 cubic meter and its complete surrounding accessories (attching equipment). SSIT supplies complete blast furnaces ... such as: mud gun, drill, bustle pipe, refractories, hot blast stoves, heavy dust catcher, steel platforms, down pipe, up pipe ... neck, various valves, etc. SSIT not only builds new blast furnaces, but also revamps old ones. Blast Furnace