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About product and suppliers:
        Alibaba.com offers 18,686 steel half door products. About 11% of these are doors, 1% are door & window handles, and 1% are shower doors. 

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

There are 18,686 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 Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 2,104 with ISO9001, 1,806 with Other, and 754 with ISO14001 certification.