Descriptin: 1. Inner water tank: High quality imported SUS304-2B food grade stainless steel. 2. Outer water tank: Imported good quality SUS201 Stainless steel or imported color steel sheet. 3. Bracket: SUS430 stainless steel or Corrosion-resist Colored powder coating steel. 4. Temperature insulation layer: Imported polyurethane 5. This product is suitable to low latitude region or countries as Asian, Africa, , South America and so on. Inner tank material SUS304-2B Stainless Steel with thickness of 0.4mm Outer tank material Color powder coating steel / Stainless steel Frame material Galvanized steel plate with thickness of 1.5mm Capacity of water tank 90-324L, 40L/person for Max consumption Heat preservation layer high pressure automatic polyurethane foaming layer with thickness of 55mm Heat preservation 48-72 hours Hailstone resistance Diad25mm Sample regulation Buyer should pay for product cost and sea freight Guaranty Water tank for 3 years, tube and frame for 5 years Optional accessories Controllor, electrical heater