Welcome to Gatemaan, the gate & door manufacturer where the #1 priority is you, our next client. Here innovation is built on a framework of technology and customer requirement. For us challenge is just another word for opportunity. Gatemaan is a premium product of NSMT (Nithya Sai Metal Technics) a fabrication unit established in 1986. Since 1986 our cost, schedule and fabrication quality have paved the way for recognized solutions and smiling clients.