Haining Joyon Solar Water Heater Co., Ltd. is a professional manufacturer of solar water heater and components, located in Haining city which is one of solar water heater bases. We have engaged in solar water heater business for more than 8 years. Due to our scientific and technical strength, our company develops and produces 3.3 high-boron silicon glass tube and three-high vacuum collector tube by itself, having assembly line of solar water heater.