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About product and suppliers:
        Alibaba.com offers 1,765,046 lock products. About 4% of these are locks, 1% are key chains. 

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

There are 1,763,966 lock suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Taiwan, which supply 97%, 1%, and 1% of lock respectively. 

Lock products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 610,632 with ISO9001, 238,405 with ISO14001, and 182,504 with Other certification.