GrandGate recently installed industrial roller shutters for the Mass Food factory in 6th of October City. The shutters are made of steel and are available in a variety of sizes. They are also fire-resistant, which provides an added layer of safety for the factory.ass Food is pleased with the new industrial roller shutters. The shutters provide a high level of security and efficiency, and they are a valuable addition to the factory. To learn more about perforated automatic roller shutters, contact us today.