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About product and suppliers:
        Alibaba.com offers 23,527 door bolt lock products. About 32% 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 23,477 door bolt lock suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 98%, 1%, and 1% 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 7,096 with ISO9001, 2,281 with ISO14001, and 1,775 with OHSAS18001 certification.