features:

1.the water tank is made of SUS304 2B food grade stainless steel .

2.It is equipped with automatic temperature controller.

3.the externall shell is made of pearly golden steel,

4.the insulating layer us polyurethane ,

5.the fasterners are stainless steel screws,

6.the glistening obliquity is between 38 degree to 45 degree.

7.the seals e seals are made of polymer silica plastic.

8.the vacuum solar enerlar energy collecting tubes are made of high borosilicate glass.

specification:

1. collector channek:copper pipe,

2.collector crust:aluminum alloy

3. tube specification,  47mmX1500mm,

                                58mmX1800mm,

                                70mmX2000mm,

4 capacity :97.5L -------350L,

5.heat presercation:72 honours.

6.pressure:0.15kpa,

7.hail resistance:25mm