April 8 to 10, 2013 in China (Shanghai) · New International Expo Center held a grand exhibition of refrigeration air-conditioning event, Forwon to "green, efficient and innovative" as the theme exhibition, launched the latest FHG series of energy-efficient heat exchanger , The heat exchanger specifically for R410A, R22 and other new refrigerant optimization design, the system evaporation temperature of nearly 5 degrees Celsius, air-conditioning system energy efficiency rating greatly improved.