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About product and suppliers:
        Alibaba.com offers 722 folding patio windows products. About 80% of these are doors, 13% are windows. 

A wide variety of folding patio windows options are available to you, such as casement windows, sliding windows, and screen windows. You can also choose from aluminum alloy, plastic, and wooden. As well as from folding, sliding, and swing. And whether folding patio windows is horizontal, or vertical. 

There are 722 folding patio windows suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Spain, which supply 99%, 1%, and 1% of folding patio windows respectively. 

Folding patio windows products are most popular in North America, Oceania, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 270 with ISO9001, 195 with Other, and 30 with ISO/TS16949 certification.