1.Solar water heater 2,High performance 3, Heat preservation:72hours we are 'Detail Oriented, Focus on Quality, Never Cut Corners'.We are a professional heat exchanger, condenser, evaporator, heat pump,air cooler,air conditioner and solar water heater manufacturer in China, which has more than 15 years experience in HVAC area. Our products have been exported to Europe,USA, Japan and Middle east ...