Solar water heating

1. Inner tank: SUS304-2B food grade stainless steel,0.45mm
2.Outer tank: Stainless Steel 202 Or Color Steel
3. Heat insulation layer: Imported PU(thickness: 50-55mm).
4. Vacuum tube:58mm*1800,Three target,1.6mm
5. Frame(Stand):Galvanized steel,1.5mm. 20/25/38/45 degree optional.
6. Necessary: Electrical booster,Assistant tank..