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About product and suppliers:
        Alibaba.com offers 1,764 office door bell products. About 35% of these are doorbells, 2% are alarm, and 1% are acoustic components. 

A wide variety of office door bell options are available to you, such as plug, battery. You can also choose from wired, wireless. As well as from free samples, paid samples. 

There are 1,764 office door bell suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of office door bell respectively. 

Office door bell products are most popular in North America, Western Europe, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 589 with ISO9001, 88 with Other, and 13 with BSCI certification.