Double oxygen water storage tanks offer advantages such as seamless construction, non-leakage, non-toxicity, lightweight, resistance to aging and impact, corrosion resistance, long service life, and compliance with hygiene standards. They are capable of storing and transporting the majority of inorganic acid, alkali, salt solutions, and some organic solvents, significantly outperforming traditional fiberglass containers and plastic welded containers in terms of performance. Their corrosion resistance and service life are twice that of fiberglass, and they can replace materials like stainless steel, titanium, nickel, and alloy steel in a wide range. The product complies with hazardous goods storage and transportation regulations and is a safe and efficient corrosion-resistant equipment. This product meets hygiene standards and can replace stainless steel containers for transporting food-grade solutions.