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About product and suppliers:
        Alibaba.com offers 1,923 shutter door sensor products. About 30% of these are alarm, 1% are sensors. 

A wide variety of shutter door sensor options are available to you, such as position sensor, magnetic sensor, and ray sensor. You can also choose from special doors, gate operators, and automatic door operators. As well as from inductance sensor, resistance sensor, and ultrasonic sensor. And whether shutter door sensor is digital sensor, switching transducer, or analog sensor. 

There are 1,923 shutter door sensor suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of shutter door sensor respectively. 

Shutter door sensor products are most popular in Africa, Mid East, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 903 with ISO9001, 196 with Other, and 15 with ISO14001 certification.