タイトルまたは説明

hollow glass shutter is a kind of new prouduct which install aluminium sheets into hollow glass, the sheets in the hollow glass can be adjusted any angle freely, we can tilt all of them, half of them and none of them transmit light. at the same time, we can raise all the sheets to make it become transmitting light window. especially the mini-blind has some strong points than any other windows, such as heat preservation, sound insulation, dustproofsafety and so on it is the best and perfect product for architectural windows. advengtage： sound insulation sun proof environment protection energy efficiency safety Using space reasonable good for sanitation economic and applied