... system 4)CE, CCC, ISO certificate Main function of solar work station: 1.Display clock and week 2.Display temperature 3.Temperature ... temperature difference circulation We not only have this work station, but also other solar water heater parts. For more information, you ... CANTON FAIR October 15-19, 2010 Guangzhou We, Changzhou Erjin Solar-Energy Equipment Making Co.,Ltd, are established in 1989. We ...