1. Outer tank immaterial is imported high strength foton aluminum with anti -acid rain, inner tank is made of super SUS304 food grade stainless steel plates, welded by argon arc. Water is pure and drinkable.

2. Warm keeper is adopted 55 mm high dense polyurethane integral foam ensures the good heat-preservation.

3. Vacuum tube: Whole glass vacuum tubes adopt super hard borax and silica glass (diameter: 47mm or 58 mm; Length: 1500 mm or 1800 mm), 25 mm hailstone resistant.

4. Reflection sheet is assembled from many stainless steel sheets and used with UFOC, easy to install with the advantages of ventilation and preventing snow from collecting.

5. Support frame: High rigidity aluminum alloy with fashion design.

6. Assembles to bar with screws for easy shipping and installation.

7. Welded by high efficiency rolling welding machine with imported high quality stainless steel sheet (SUS304) assure no water leaving out.