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About product and suppliers:
        Alibaba.com offers 234 hand wheel screw jack products. About 53% of these are car jacks, 28% are speed reducers, and 2% are dining tables. 

A wide variety of hand wheel screw jack options are available to you, such as free samples. 

There are 234 hand wheel screw jack suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 99%, 1%, and 1% of hand wheel screw jack respectively. 

Hand wheel screw jack products are most popular in North America, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 82 with ISO9001, 10 with ISO14001, and 8 with Other certification.