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About product and suppliers:
            722 automatic door lock system products are offered for sale by suppliers on Alibaba.com, of which other body parts accounts for 18%, smart locks accounts for 9%, and locks accounts for 4%. 

A wide variety of automatic door lock system options are available to you, such as graphic design, others, and n/a. You can also choose from modern automatic door lock system, as well as from built-in screen, anti-peep code, and tamper alarm automatic door lock system, and whether automatic door lock system is 1 year, 2 years, or 3 years. 

There are 404 suppliers who sells automatic door lock system on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Hong Kong S.A.R., and Taiwan, China, from which the percentage of automatic door lock system supply is 99%, 1%, and 1% respectively.