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About product and suppliers:
        Alibaba.com offers 5,671 master key lock products. About 65% of these are locks, 8% are safes, and 1% are seals. 

A wide variety of master key lock options are available to you, such as metal, wood, and acrylic. You can also choose from apartment, storage boxes & bins. As well as from home decoration, holiday decoration & gift. And whether master key lock is free samples, or paid samples. 

There are 5,586 master key lock suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and United Arab Emirates, which supply 96%, 1%, and 1% of master key lock respectively. 

Master key lock products are most popular in North America, South America, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 2,566 with ISO9001, 1,151 with Other, and 410 with ISO14001 certification.