We are a one of the main solar water heater manufacturers in China, having supply ability 140, 000 pieces per year and the production capacity will be doubled in in the years to come. The models we have: 1. One or two piles inlet / out let, single or double tank with electric heater as options 2. Copper coil heat exchange with electric heater 3. Heat pipe solar collectors Tank: - stainless steel - colour steel sheet or zinc and aluminiu ccoated steel sheet - titanium aluminium plated zinc Inner tank: 304-2b computer pulse automatic welding technology makes perfect silk-like welding seam. Vacuum tube: all-glass evacuated solar collector tube, heating speed increased by 20% and life span increased by 4 times than normal. Thermal insulating layer: polyurethane foam of 35-68mm, adopted advanced freezer automatic holistic foam technology. Stand - galvanized steel electrostatic powder coated - stainless steel - aluminium alloy Capacity: 85-280 leter Supply ability: 12000 sets per month