ASAPVC anti UV roofing sheet is ASA materials in the surface layer. One of the reason that ASAPVC roof sheet is more expensive than UPVC roof sheet is because the ASA film being used. ASA film is high price in raw materials, but it offers more outstanding function than PVC does. ASAPVC roof sheet have longer life span, and its color can stay for more than 10 years. Meanwhile, it is UV resistant, which protects house owner with a great degree from strong sunlight. Now, it is very popular for high end and luxury construction. It is widely used for schools, big and important plants, offices, cafe shop, particularly in some heavy corrosive environment like melting factories, chemical lab and so on.It is our mission to offer you bread with love. Bread, in its pure original formula, making it available for everyone's enjoyment. From antiquity,bread has been known as the epitome of life and human society. It's history can be traced back for thousands of years to the ancient Egyptians, Romans and Greeks.