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About product and suppliers:
        Alibaba.com offers 22,463 door bolt lock products. About 29% of these are locks, 5% are door & window bolts, and 1% are door locks. 

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

There are 22,463 door bolt lock suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of door bolt lock respectively. 

Door bolt lock products are most popular in Domestic Market, Mid East, and North America. 

You can ensure product safety by selecting from certified suppliers, including 6,858 with ISO9001, 2,220 with ISO14001, and 1,713 with OHSAS18001 certification.