With the UV protective layer and the perfect combination of impact resistance, weight, light transmittance, and cost, are the ideal materials as the roof sheets, for example, greenhouse roofing sheets, roofing sheets of football stadiums, carport roof and canopy. panels polycarbonate with honeycomb structure, therefore it has a higher impact resistance than twin wall polycarbonate panels andDilang polycarbonate honeycomb panels have excellent thermal insulation and can keep the temperature around 20°C inside even under extremely cold weather in Siberia. It is really energy-saving materials, even under extremely cold weather in Siberia and the incredibly hot weather in the middle east and region of the equator.