1.The inner tank is made of SUS--304 food grade stainless steeel.

2.The external shell is made of pearly golden stainless steel.

3.The insulating layer use polyurethane bubble.

4.The fasteners are stainless steel screws.

5.The vacuum tube is made of high brosolicate glass.

specification:  Dia:47mm  Length : 1500

      &a;nbsp;&a;nbsp;     ≈;amp;ap;&ampbsp; &sp;         Dia :58mm  Length :1800

                      70mm diameter,   2000mm length

water capacity :97.5L--350L

Pressure :0.15MPa

Heat preservation :72hour

Hail resistance :25mm

the vacuum solar energy collecting tubes are made if high borasilicate glass specification.

6. the water tanj is made of imported SUS304 2B food grade stainless steel and it is equipped with automatic temperate controller.

7.the glistening obliquity is between 38 and 45 degree.

8.structure:stainless steel inner tank.

9.the fasteners are stainless steel screws.

10.the seals are made of pole of polymer silica plastic