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About product and suppliers:
        Alibaba.com offers 1,943,208 lock products. About 5% of these are locks, 1% are elevator parts. 

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

There are 1,943,034 lock suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Pakistan, which supply 98%, 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 647,764 with ISO9001, 295,572 with ISO14001, and 246,629 with Other certification.