MANDAR PUMPS & ENGINEERING CO. manufacturer of Pumps. Mandar’s philosophy is simple. Optimum technology to ensure safe and reliable operation. This approach has made us India’s largest manufacturer of air operated single Diaphragm pumps. Mandar Pneumatic Barrel Pump and double Diaphragm pumps have also gained recognition and are acknowledged as being simple, safe and reliable. Our growing reference list with many repeat orders vouches for the trust of our esteemed customers and our strong focus on quality and customer service.