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About product and suppliers:
        Alibaba.com offers 3,789 smart key chain products. About 29% of these are key chains, 1% are metal crafts, and 1% are openers. 

A wide variety of smart key chain options are available to you, such as metal, plastic, and leather. You can also choose from free samples, paid samples. 

There are 3,789 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 Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 601 with ISO9001, 457 with Other, and 58 with ISO14001 certification.