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About product and suppliers:
        Alibaba.com offers 16,339 4 wheel caster products. About 77% of these are material handling equipment parts, 5% are furniture casters. 

A wide variety of 4 wheel caster options are available to you, such as free samples, paid samples. 

There are 16,339 4 wheel caster suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 4 wheel caster respectively. 

 wheel caster products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 2,132 with ISO9001, 603 with Other, and 327 with ISO14001 certification.