non-pressurized solar water heater

Features: long life and shining, and low cost
Inner tank: imported SUS3042B Food Grade stainless steel, superior water quality, drinkable
Outer shell: imported SUS304BA stainless steel, inner buckled and corrosion resistant
Insulation layer: 50-60 imported polyurethane foam for superior heat preservation
Bracket: imported SUS304 stainless steel, good stability?
Color: shine mirror surface and elegant color
Vacuum tube: made from the hard borosilicate glass, and 25mm hail resistant
Notice: They can be custom-built according to the requirement.