-Material:
A) Inner water tank: SUS304
B) Outer water tank: Galvanized steel alloy
C) Bracket: Galvanized steel or aluminum alloy* Solar

-vacuum tube with heat pipe:
A) Size: 58 x 1, 900mm
B) Qty: 20 / 24/ 30pcs

Temperature insulation layer: 50mm thickness imported polyurethane, machinery overall for keeping same temperature and high pressure foam

-Capacity: 200 / 240/ 300 liters

-Max. Pressure bearing: 1.2MPa

-3 years' international responsibility for free repairing or exchange due to original quality problems