Coronatech Engineers Established in the year 2016 Pune, Maharashtra , We “ M/s Coronatech Engineers ” are a Sole Proprietorship firm, engaged as the foremost Manufacturer of Air Washer System, Ventilation System, Staircase Pressurization System , etc. Our products are high in demand due to their premium quality and affordable prices. Furthermore, we ensure to timely deliver these products to our clients, through this we have gained a huge clients base, in the market.