... Blue Bronze lake BlueProduction lineTwo line for PC hollow sheet and One line for PC solid sheet Raw materials ... Bayer polycarbonate sheet Applications:1. Roofing light sheet and sunshade for office. building ,departmente,hotel,stadium,school ,amusement center ... ,hospital,etc.2. skylight,lighting for corridors ,balcony,passages and subway entries ,walkways.3. Advertising lamp boxes ...