Corrosion-resistant storage of chemicals used, organic solvents, food-grade materials can be used as food storage and fermentation, can be used as various types of tanks. Has a special corrosion resistance, their life is often several times longer than ordinary steel tank or a few times. Even better than stainless steel tanks are also much longer. Great design flexibility. Through structural layer thickness, winding angle of the overall design of adjustable carrying capacity of storage tanks to meet different needs. Products, light weight, easy to transport and install.