... the glass curtain wall, the effect of shading, lighting and decorating buildings is realized. The installing of ... the slats revolve(0°~120°), the indoor lighting effect is improved to realize the purpose of ... and bevel indoor and outdoor sun shading of modern buildings large-scale glass curtain wall and roof ... , motor, slip way etc. Transport Terms: Modern Decorative Louver Shutter ( Y150,Y200) ISO,CE