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UPVC roof sheet has a series of characteristics, such as anti-corrosion, anti lightning, anti noise, high strength, no pollution and so on. It is widely used in steel structure workshop, chemical workshop, warehouse, coastal construction and other fields. In the industry, it is widely distributed in almost all industrial industries, as well as breeding and decoration industries. And good flexibility, can absorb earthquake force, so the building not only depends on the appearance, but also on the structure of the building and the advantages of the product itself.