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About product and suppliers:
        Alibaba.com offers 3,499 smart key chain products. About 35% of these are key chains, 12% are access control card, and 1% are openers. 

A wide variety of smart key chain options are available to you, such as leather, metal, and wood. You can also choose from led keychain, carabiner keychain, and light keychain. As well as from free samples, paid samples. 

There are 3,499 smart key chain suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of smart key chain respectively. 

Smart key chain products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 656 with Other, 597 with ISO9001, and 83 with ISO14001 certification.