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About product and suppliers:
        Alibaba.com offers 2,441 round cylinder lock products. About 60% of these are locks, 6% are door & window handles, and 1% are furniture handles & knobs. 

A wide variety of round cylinder lock options are available to you, such as stainless steel, aluminum, and steel. You can also choose from door & window handles, entry doors, and other door & window accessories. As well as from free samples, paid samples. 

There are 2,451 round cylinder lock suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 96%, 2%, and 1% of round cylinder lock respectively. 

Round cylinder lock products are most popular in Mid East, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 478 with ISO9001, 108 with Other, and 22 with ISO14001 certification.