1.   Material of Inner tank：SUS304-2B stainless steel with 0.4mm thickness

2.   Material of Outer tank：aluminizing zinc plate with 0.35mm thickness                                        

3.   Magnetic-controlled Al-N-Al splash all glass evacuated heat-collecting tubes, fast heat absorbing and temperature risen

4.   Heat Preservation Layer: 55mm polyurethane integral foaming, superior heat preservation

5.   Material of support: Zinc-plated with plastic spray coating treatment(Anti-ultraviolet)with 1.2mm thickness

6.   Packing: export carton