... the end products manufacture, either horizontal or vertical surface installment.Aluminum Hollow Louver Slats Introduction 1.the slats are spindle, double arc ... of plane, facade and bevel indoor and outdoor sun shading of modern buildings large-scale glass curtain wall and roof with ... system, including end cap, motor, slip way etc. Transport Terms: Modern Decorative Louver Shutter ( Y150,Y200) ISO,CE