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About product and suppliers:
        Alibaba.com offers 17,153 bottom door products. About 8% of these are doors, 2% are windows. 

A wide variety of bottom door options are available to you, such as entry doors, sliding doors, and screen doors. You can also choose from solid wood, aluminum alloy, and mdf. As well as from finished, unfinished. And whether bottom door is folding screen, or waterproof. 

There are 17,153 bottom door suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of bottom door respectively. 

Bottom door products are most popular in Domestic Market, North America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 4,423 with ISO9001, 2,818 with Other, and 654 with ISO14001 certification.