Features: 
1) Advanced spurt mold technology
2) Can collect solar energy efficiently by golden inclination angle design
3) With galvanized steel sheet of triplet-function, it is suitable for the flat roof,
    also for the cuspidal roof, with good applicability and practicality
4) Unique "flower petal" end cover design, integrative with the barrel body, can
    be used years around under high temperature, no gap appears
5) Provides the electric heating connection, both solar energy and electricity 
    supplement; it will normally work when the air temperature falls
6) Adopts importable polyurethane, uses automatic constant temperature high 
    pressure bulk bubble technology, one-off molding, with excellent thermal properties

Specifications: 
1) Outer shell of tank: silver glitter sheet/ pearlite sheet
2) Inner tank: esculent standard SUS 304-2B 
3) Thickness of the heat preservation layer: 60mm
4) Heat preservation: 72h
5) Size of the vacuum tube: φ47mm x 1,800mm
6) Number of tubes: 15/16/18/20/24/30
7) Volume of tank: 98L ~ 195L
8) Bracket material: galvanized steel sheet
9) Thickness of the steel sheet: 1.5mm
9) Angle of stand: 38° ~ 45°
10) Pressure: 0MPa
11) Hail resistance: 25mm