Aluminum roller shutter was introduced into China in 1990's with the feature of sunshade, sound insulation, guard and saving energy.
铝合金卷窗在上世纪90年代引进中国,具有遮阳、隔音、防盗、美观、节能等效果。
Aluminum roller shutter was introduced into China in 1990's with the feature of sunshade, sound insulation, guard and saving energy.
铝合金卷窗在上世纪90年代引进中国,具有遮阳、隔音、防盗、美观、节能等效果。
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