1. Water heater: Anti-freezing without anti-freezing liquid. The heated water can reach No limit of using area. Complying with hydraulic water supply standard.

2. The porcelain enamel storage tank and collector: Can bear the pressure of 1MPa, so our water heating system can connect directly with tap water. The hot water could be pushed out from tank by tap water for use.

3. Self-cleaner for our product: It can wash the collector automatically every time when hot water tap being opened.

4. The collector: Can be installed easily on balcony, flat and sloping roof, along east, south , west wall, including neighboring building.

5. Our collector can get large heat energy equal to 2-2. 5kw/h per sq meter in sunshine day. Even in sever cloudy day, it also can collect 1-2 kw/h heat energy per sq meter. Our system will reduce the need for conventional water heating by about 70-90%, minimizing the cost of electricity or fossil fuel.