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About product and suppliers:
        Alibaba.com offers 9,781 20mm aluminium tube products. About 6% of these are aluminum pipes, 4% are packaging tubes, and 3% are aluminum profiles. 

A wide variety of 20mm aluminium tube options are available to you, such as 6000 series, 1000 series, and 2000 series. You can also choose from round, square, and oval. As well as from anodized, polished, and powder coated. And whether 20mm aluminium tube is t3 - t8, or o - h112. 

There are 9,826 20mm aluminium tube suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 99%, 1%, and 1% of 20mm aluminium tube respectively. 

0mm aluminium tube products are most popular in Domestic Market, North America, and South Asia. 

You can ensure product safety by selecting from certified suppliers, including 3,004 with ISO9001, 1,293 with Other, and 449 with ISO14001 certification.