Dairy farmers’ specific requirement is taken care of in the making of Dawangfan dairy barn ventilation fans. By facilitating HVLS blowers more importantly air to be circulated in a designated space which helps in enhancing the comfort of the animals. Fans similarly help in reduction of heat stress alongside elevation of air quality which directly aids in improving wellbeing alongside the productivity of the animal. It is our objective in investing in research and development so that the products are always leading in technology especially for the dairy barn.