Dawangfan focuses on the development of the advanced HVLS fans of a new level with an emphasis on the application in livestock's rooms. Moreover, our fans are smart and energy-efficient due to IoT technologies that connect and integrate them with other home utilities. As needed, livestock fans ensures great indoor climate. Reducing the extreme heat loads extended the nursing and growing phases, resulting in better growth rates for livestock. There is no doubt that these fans are useful in any contemporary livestock enterprise.