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About product and suppliers:
        Alibaba.com offers 1,554 metal door security bars products. About 9% of these are doors, 1% are fencing, trellis & gates, and 1% are other door & window accessories. 

A wide variety of metal door security bars options are available to you, such as easily assembled, rodent proof. You can also choose from cast iron, aluminum, and steel. As well as from nature, heat treated. And whether metal door security bars is free samples, or paid samples. 

There are 1,555 metal door security bars suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 99%, 1%, and 1% of metal door security bars respectively. 

Metal door security bars products are most popular in North America, Mid East, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 229 with ISO9001, 217 with ISO14001, and 209 with OHSAS18001 certification.