VATS Air Systems was established in 2012 by Mr. Vishnu Sharma. we are one of the leading Air Ventilator Fan Manufacturers in Delhi/NCR. With smart functions and the latest technology, our systems give you a distinct advantage over other products. Whether it is an F.D Fan or an I.D Fan, the quality is impeccable. If you want to know more, please contact us or visit our site. https://www.vatsairsystems.com/air-ventilator-fan.html