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About product and suppliers:
        Alibaba.com offers 1,075 40x40 aluminium profile products. About 86% of these are aluminum profiles, 1% are metal building materials. 

A wide variety of 40x40 aluminium profile options are available to you, such as transportation tools, door & window, and decorations. You can also choose from t - profile, square, and angle. As well as from free samples, paid samples. 

There are 1,075 40x40 aluminium profile suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Turkey, and India, which supply 98%, 1%, and 1% of 40x40 aluminium profile respectively. 

0x40 aluminium profile products are most popular in Domestic Market, North America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 641 with ISO9001, 236 with Other, and 159 with ISO14001 certification.