防火钢推拉门
fire-resisting steel sliding door
空腹薄壁推拉门
hollow thin wall sliding door
推拉门用轮系列
Sliding door roller series
推拉和折叠门五金
sliding & folding door hardware
推拉铝合金门
Aluminum alloy sliding doors
推拉式防火门
horizontal sliding fire door
自动推拉平板式入口门
auto-sliding flat panel entrance doors
带有百叶窗的铝推拉窗
aluminium sliding window with louver
铝合金推拉窗或侧面悬挂窗扇窗
aluminium alloy sliding or side-hung casement type window