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About product and suppliers:
        Alibaba.com offers 5,482 door sensor lock products. About 42% of these are locks. 

A wide variety of door sensor lock options are available to you, such as metal, zinc, and plastic. You can also choose from free samples, paid samples. 

There are 5,507 door sensor lock suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Malaysia, which supply 98%, 1%, and 1% of door sensor lock respectively. 

Door sensor lock products are most popular in Mid East, Domestic Market, and North America. 

You can ensure product safety by selecting from certified suppliers, including 1,464 with ISO9001, 694 with Other, and 290 with ISO14001 certification.