Identification of aluminum quality approach: Flexibility and strength aluminum comparative identification method is simple: take a Lvkou supply 6061 alloy aluminum factory hand he bent 6061 aluminum alloy supplier, not aluminum can easily be folded Bend 6061 aluminum alloy, and will not recover its original shape, and good to be bending the aluminum takes some effort, but after bending, will rebound to a certain extent, this is the difference between toughness and strength of aluminum . Nice aluminum case does not appear after installing bend or fall in the middle, to ensure smooth. Identification of aluminum quality methods are there? Identification of the surface coating film is good or bad way to compare aluminum front cover is to look at the edge of the aluminum buckle, see if I can expose them to film. Qualified Lvkou composite film at high temperatures up, exposing not down, can certainly be peeled off the adhesive, and can not be purchased. Also known as a lot of their sales will be imported film coated aluminum, in fact, very few aluminum once installed to move, but hanging on the roof, the difference between the supply of imported films and domestic film called 6061 alloy aluminum prices, there is unlikely to see out a. So absolutely no need to care about is not imported films, just to get a few sample compare to light, choose a good gloss on it. Which 6061 aluminum alloy, 6061 aluminum alloy, aluminum rolls provided by the Aluminum Co., Ltd. Jinan rolls. Jinan Heshun Aluminum Co. (www.jnhsly.com) strong, credible, in Jinan, Shandong aluminum products industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead rolls in aluminum and you hand into the brilliant, for a better future!