... MARK and SRCC Certificate We provide Solar Water Heater, Water Heater, solar collector, Hot Water Heater, solar hot water, Solar Water Heaters, solar ... using * Material a) Inner water tank: Imported SUS304 stainless steel b) Outer water tank: Galvanized steel alloy c) Bracket: Aluminium alloy ... tube with heat pipe a) Size: 58 x 1, 800mm b) Qty: 10 /15 / 20 / 25 / 30PCS * Temperature insulation layer ...