Water tank: imported high quality USU304-2B food grade stainless steel, non-toxic and tasteless, to ensure quality and safety, pollution. Features: collector marine grade aluminum-magnesium alloy shell with beautiful and durable rigidity. Solar energy for cover, high strength, corrosion resistance of solar water heaters, anti-stamping, transmission rate of up to 97% ± 2% Qingdao solar water heater sales, high stability, life expectancy up to 25 years. Start fast medium circulation solar water heater manufacturing, research and development of solar water heaters and anti-cold, more suitable for cold regions. Hot water system can control, and has a variety of protection, safe and convenient. Photoelectric complementary, to meet all-weather use, heat exchanger design, clean water pollution. Heat exchanger design pressure, pressure to run an effective solution to the problem of consumable media. Intelligent control, easy to use and flexible. Qingdao solar water heater sales, steel Yi Solar (certified), solar water heaters, solar energy provided by Qingdao Yi Steel Limited. Qingdao Yi Steel Solar Limited (www.gangyisolar.com) is Qingdao, a leader in solar and renewable energy, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Yi Gang leader in Qingdao with the staff warmly welcome all inquiries negotiations to create Qingdao Yi Gang a better future.