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About product and suppliers:
        Alibaba.com offers 2,501 glass door sensor products. About 27% of these are doors, 16% are automatic door operators, and 6% are alarm. 

A wide variety of glass door sensor options are available to you, such as window, door, and auto. You can also choose from free samples, paid samples. 

There are 2,501 glass door sensor suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of glass door sensor respectively. 

Glass door sensor products are most popular in Domestic Market, Mid East, and North America. 

You can ensure product safety by selecting from certified suppliers, including 883 with ISO9001, 230 with Other, and 161 with ISO14001 certification.