CDQ is used to make coke quenching nitrogen cooling, waste heat "220V Cooling Fan" sent to the waste heat boiler to produce electricity. The nitrogen cycle requires the fan discharge. The vast majority of the national steel companies are ready to launch the project, is a very big fan of the potential market. Birdhouse "220V Cooling Fan" ventilation With the continuous development of aquaculture, chickens, ducks, geese and other poultry house gradually standardized and scientific. Depending on the season, as the temperature changes, to be on the poultry house for heating or cooling, but also must be "220V Cooling Fan" ventilation. This requires ventilator (requires lower noise). A huge number of domestic breeding birdhouse, therefore, the market potential is also a great fan of such