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About product and suppliers:
        Alibaba.com offers 338 building intercom lock products. About 49% of these are locks. 

A wide variety of building intercom lock options are available to you, such as free samples. 

There are 259 building intercom lock suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Philippines, and Taiwan, which supply 99%, 1%, and 1% of building intercom lock respectively. 

Building intercom lock products are most popular in Domestic Market, Mid East, and Southern Europe. 

You can ensure product safety by selecting from certified suppliers, including 78 with ISO9001, 9 with Other, and 6 with ISO14001 certification.