Established in 1972, Hercules Doors is a division of Exch Therm Engineering Company, a trusted manufacturer and supplier of fire-rated steel doors in India and overseas. With over 50 years of expertise, we manufacture certified fire-rated steel doors, glazed fire-rated doors, clean room doors, and many more. Our products are precision-built using cutting-edge technology and are widely used in factories, malls, multiplexes, and government-certified projects. As pioneers in the fire door industry, we deliver safety, compliance, and engineering excellence in every product.