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About product and suppliers:
        Alibaba.com offers 15,319 key card system products. About 54% of these are locks, 22% are access control card, 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 15,372 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 Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 2,736 with ISO9001, 2,108 with Other, and 349 with ISO14001 certification.