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About product and suppliers:
        Alibaba.com offers 13,234 key card system products. About 24% of these are access control card, 2% are access control system, and 1% are plastic cards. 

A wide variety of key card system options are available to you, such as free samples, paid samples. 

There are 13,287 key card system suppliers, mainly located in Asia. The top supplying countries are China (Mainland), South Korea, and Hong Kong, which supply 99%, 1%, and 1% of key card system respectively. 

Key card system products are most popular in North America, Mid East, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 2,762 with ISO9001, 1,549 with Other, and 304 with ISO14001 certification.