The structure and type of cryogenic liquid storage tanks and cryogenic liquid storage tanks. In recent years, the cryogenic liquid market has become increasingly prosperous. The sales of liquid oxygen, liquid argon, liquid nitrogen, liquid carbon dioxide, and LNG natural gas have increased significantly. Therefore, the by-product of oxygen generators is very profitable. Considerable, it has become an important part of the income of non-steel products of iron and steel enterprises. The production, storage, and transportation of cryogenic liquids are inseparable from insulated storage tanks, and they are installed and used in large numbers.