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About product and suppliers:
        Alibaba.com offers 1,284 solid screw jack products. About 27% of these are ladder & scaffolding parts, 27% are scaffoldings, and 26% are speed reducers. 

A wide variety of solid screw jack options are available to you, such as mechanical jack, scissor jack, and adapter. You can also choose from free samples, paid samples. 

There are 1,284 solid screw jack suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of solid screw jack respectively. 

Solid screw jack products are most popular in Southeast Asia, North America, and Oceania. 

You can ensure product safety by selecting from certified suppliers, including 446 with ISO9001, 71 with Other, and 39 with BSCI certification.