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About product and suppliers:
        Alibaba.com offers 2,229 door alarm device products. About 1% of these are other security & protection products, 1% are testing equipment. 

A wide variety of door alarm device options are available to you, such as free samples, paid samples. 

There are 2,241 door alarm device suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Taiwan, which supply 98%, 1%, and 1% of door alarm device respectively. 

Door alarm device products are most popular in Mid East, Eastern Asia, and Central America. 

You can ensure product safety by selecting from certified suppliers, including 551 with ISO9001, 174 with Other, and 92 with ISO14001 certification.
        
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