Hoful aluminum roller shutter products are manufactured according to ISO9001 and CE approved. Hoful adopts 6063 aluminum, it aluminum content up to 50%, with makes great performance in anti-oxidation, light weight, easy installation. And Hoful Insulated aluminum roller shutter with polyurethane foam filled, it can insulate 40% of the noise, save 70% of the energy, also warm keeping and environmentally friendly. With elegant appearance and excellent performance, Hoful aluminum roller shutters are ideal solution for residential, commercial and industrial applications.