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About product and suppliers:
        Alibaba.com offers 15,510 key card system products. About 47% of these are locks, 4% are parking equipment, and 3% are plastic cards. 

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

There are 15,531 key card system suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Taiwan, 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 4,498 with ISO9001, 2,416 with Other, and 480 with ISO14001 certification.