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About product and suppliers:
        Alibaba.com offers 1,524 postal box lock products. About 5% of these are locks, 1% are bag parts & accessories. 

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

There are 1,444 postal box lock suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 99%, 1%, and 1% of postal box lock respectively. 

Postal box lock products are most popular in North America, South Asia, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 461 with ISO9001, 310 with ISO14001, and 307 with OHSAS18001 certification.