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About product and suppliers:
        Alibaba.com offers 20,581 steel half door products. About 7% of these are doors, 1% are locks, and 1% are building glass. 

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

There are 20,581 steel half door suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of steel half door respectively. 

Steel half door products are most popular in North America, Oceania, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 2,586 with ISO9001, 1,984 with Other, and 957 with ISO14001 certification.