manufacturing Bright Bar Grill Rolling Shutters which are made of international standard material. These Automatic Rolling Grills are fabricated from high quality steel rods to operate on the same principles as rolling shutter. Ideal for showrooms and display windows. Rolling Shutter Grills permit full ventilation and let in light and keep out pilferers. When overall measurement exceeds 70 sq. ft, ball bearings are provided. Made of 8mm round Bright Bar Steel. Can be motorized for smooth and simple operations. Easy installation & low maintenance costs.