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About product and suppliers:
        Alibaba.com offers 36,110 half door products. About 9% of these are doors, 1% are locks, and 1% are building glass. 

A wide variety of half door options are available to you, such as composite, aluminum alloy, and solid wood. You can also choose from entry doors, security doors, and sliding doors. As well as from swing, sliding, and folding. And whether half door is interior, exterior, or commercial. 

There are 36,044 half door suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Pakistan, which supply 99%, 1%, and 1% of half door respectively. 

Half door products are most popular in North America, Oceania, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 5,287 with ISO9001, 3,315 with Other, and 1,576 with ISO14001 certification.