Tonada is China leader of EC fans (brushless blowers & fans), and it is a high technology- oriented enterprise.  Tonada is located in Shuangfu new zone, Jiangjin district, Chongqing city of China. Its main product lines are manufacturing and marketing of brushless condenser fans and evaporator blowers for bus HVAC (heating, ventilation and air conditioner), heat exchangers (types: oil cooling/ radiator), refrigeration equipment and etc.