TradeVerify The profile of our company is HVAC Controls manufactory in China, we have a big factory in Beijing, main products are thermostats and Solar collector. They were applied in 17 Beijing 2008 Olympic sites, including Bird Nest, Water Cube, etc. Hailin may be one of your choices in your business.Our main products are:Ø Thermostats (Electronic, Wireless, Touch-Screen, Non-programmable/Programmable)Ø Valves (Zone valves, Ball Valves, Floating/Modulating valves) Ø Solar system (Solar collector, Water tank, Pump station, Expansion vessel , Controller)Ø Sensors, Actuators, Smart DDCØ ODM/OEM availableFor more information, you are welcome to visit:www.hailin.com/en, www.hailinsolar.com.cn/en.