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About product and suppliers:
        Alibaba.com offers 3,615 bi fold doors products. About 84% of these are doors, 7% are windows, and 1% are door & window screens. 

A wide variety of bi fold doors options are available to you, such as accordion doors, sliding doors, and entry doors. You can also choose from aluminum alloy, plastic, and glass. As well as from folding, swing, and sliding. And whether bi fold doors is exterior, interior, or commercial. 

There are 3,622 bi fold doors suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Malaysia, and Spain, which supply 96%, 1%, and 1% of bi fold doors respectively. 

Bi fold doors products are most popular in North America, Oceania, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 1,141 with ISO9001, 1,017 with Other, and 414 with ISO14001 certification.