Sunrain Group, the largest solar water heater supplier in the world, is founded in 1999. Sunrain Group is a public listed technology enterprise group dedicated to "Make the world cleaner, make the life better". It has more than 20 years of solar thermal utilization, 10 years of air source heat pumps, and 7 years of photovoltaic business experience, providing clean hot water and thermal energy solutions for 25 million households and 20,000+ engineering customers in over 100 countries.
●USD 2 million + investment
●-30 to 60 ℃ environmental conditions
●Ultra-low temperature laboratory
●Enthalpy difference laboratory
●Long-term operation laboratory
●Data monitoring center

свернуть