Haining Sunbow Solar Energy Co., Ltd. is an private enterprise, which specially works on the solar thermal energy applicationtechnology development, research, producing and sale. There's been a lot of advantages of solar energy, use hot water forfree more than 15 year after owned. Generally, Where there's sunshine, you 'll use our solar hot water system for hot water purpose. we produce and offer all kinds of evacuated solar vacuum tubes hot water system. Check the detail products information.