Liquid CO2 storage tanks and CO2 storage tanks are different names for the same product, but all of my company's flagship product, the product is a double Baowenrongqi shell is made of high-quality carbon steel Q235B, the content is of high quality austenitic stainless steel S30408 or 16MnDR, middle filled with perlite, vacuum powder insulation way, according to customer demand is generally divided into vertical or horizontal.