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About product and suppliers:
        Alibaba.com offers 1,473 used metal security doors products. About 57% of these are doors, 3% are industrial metal detectors, and 2% are locks. 

A wide variety of used metal security doors options are available to you, such as steel, aluminum alloy, and stainless steel. You can also choose from security doors, screen doors, and garage doors. As well as from exterior, interior, and garage. And whether used metal security doors is swing, sliding, or automatic. 

There are 1,478 used metal security doors suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Turkey, and Taiwan, which supply 98%, 1%, and 1% of used metal security doors respectively. 

Used metal security doors products are most popular in Africa, Mid East, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 360 with ISO9001, 331 with Other, and 150 with ISO14001 certification.