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About product and suppliers:
        Alibaba.com offers 2,410 round cylinder lock products. About 58% of these are locks, 5% are door & window handles, and 1% are other door & window accessories. 

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

There are 2,406 round cylinder lock suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 95%, 3%, and 1% of round cylinder lock respectively. 

Round cylinder lock products are most popular in Mid East, Western Europe, and North America. 

You can ensure product safety by selecting from certified suppliers, including 470 with ISO9001, 129 with Other, and 30 with ISO14001 certification.