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About product and suppliers:
        Alibaba.com offers 1,780 construction jack base products. About 60% of these are scaffoldings, 31% are ladder & scaffolding parts, and 1% are car jacks. 

A wide variety of construction jack base options are available to you, such as free samples. 

There are 1,780 construction jack base suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of construction jack base respectively. 

Construction jack base products are most popular in Southeast Asia, South America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 993 with ISO9001, 83 with Other, and 57 with OHSAS18001 certification.