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About product and suppliers:
        Alibaba.com offers 5,087 door security bar products. About 6% of these are locks, 1% are other door & window accessories, and 1% are fencing, trellis & gates. 

A wide variety of door security bar options are available to you, such as door stops, other door & window accessories. You can also choose from stainless steel, metal, and plastic. As well as from free samples, paid samples. 

There are 5,074 door security bar suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 99%, 1%, and 1% of door security bar respectively. 

Door security bar products are most popular in North America, Mid East, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 1,562 with ISO9001, 1,452 with ISO14001, and 1,410 with OHSAS18001 certification.