NSW India Limited manufactures Oil Fired Flat Belt Conveyor Oven. NSW India Limited is an ISO 9002 certified company offering a wide range of Ovens, Powder Coating and Spray Painting Plants, Conveyors, Automation Systems and Infrared heating systems. The Oil Fired Flat Belt Conveyor Oven is a conveyorised oven having oil or gas fired heat exchanger mounted on it. The Oil Fired Flat Belt Conveyor Oven is used to maintain uniform temperature across the different zones.