1.Aluminum alloy framework 2. light weight 3. Environmentally friendly 4. Good weather resistance Manufacturer: POLYSHINE TECHNOLOGY (SHANGHAI ) CO.,LTD. ... SHANGHAI PINCHENG PLASTICS CO.,LTD.1. Weather resistant Awning:2. Polycarbonate solid sheet3. Twin-wall or Tri ... layer protection, 10 years quality warranty.5. Lightweight, 1/12 of the same thickness glass. Easy to DIY.6 ...