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About product and suppliers:
        Alibaba.com offers 13,906 types columns products. About 1% of these are steel h-beams, 1% are mouldings, and 1% are pillars. 

A wide variety of types columns options are available to you, such as hollow, solid. You can also choose from column, square column. As well as from free samples, paid samples. 

There are 13,852 types columns suppliers, mainly located in Asia. The top supplying countries or regions are China, Taiwan, China, and Turkey, which supply 99%, 1%, and 1% of types columns respectively. 

Types columns products are most popular in Southeast Asia, Domestic Market, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 5,423 with ISO9001, 4,249 with Other, and 801 with ISO14001 certification.