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About product and suppliers:
        Alibaba.com offers 1,102 hand crank mechanism products. About 53% of these are music boxes, 7% are office desks, and 3% are lift tables. 

A wide variety of hand crank mechanism options are available to you, such as wood, metal, and paper. You can also choose from rectangle, square, and round. As well as from hand cranked, battery. And whether hand crank mechanism is free samples, or paid samples. 

There are 1,103 hand crank mechanism suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 99%, 1%, and 1% of hand crank mechanism respectively. 

Hand crank mechanism products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 248 with ISO9001, 103 with Other, and 13 with ISO14001 certification.