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About product and suppliers:
        Alibaba.com offers 4,584 book lock products. About 19% of these are notebooks, 4% are locks, and 2% are bag parts & accessories. 

A wide variety of book lock options are available to you, such as composition book, diary, and address book. You can also choose from spiral, hardcover, and printed. As well as from 120 sheets, 80 sheets, and 40 sheets. And whether book lock is promotion, or gift. 

There are 4,584 book lock suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of book lock respectively. 

Book lock products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 1,687 with ISO9001, 717 with Other, and 638 with ISO14001 certification.