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About product and suppliers:
        Alibaba.com offers 28,044 u profiles products. About 27% of these are aluminum profiles, 8% are steel channels, and 4% are metal building materials. 

A wide variety of u profiles options are available to you, such as square, flat, and u channel. You can also choose from 6000 series, 7000 series, and 1000 series. As well as from door & window, decorations, and heat sink. And whether u profiles is t3-t8, o-h112, or t351-t851. 

There are 27,964 u profiles suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Turkey, and Taiwan, which supply 98%, 1%, and 1% of u profiles respectively. 

U profiles products are most popular in Domestic Market, North America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 9,460 with ISO9001, 1,982 with ISO14001, and 1,427 with Other certification.