卷帘型材主要是采用高级铝合金烤漆板辊压成型的(或钢质镀锌烤漆板辊压成型),内填充聚氨脂发泡材料制成。
The main materials of roller shutters are made of high-class aluminium alloy baking varnish color plate ( or steel baking varnish ), inside being polyurethane form materials .