Every time when the summer heat, aluminum manufacturers of aluminum windows and doors not only that this can stop the outdoor heat, reduce indoor air loss, and in the cold winter will not icing or condensation, the most important thing is still the great to resist the noise outside the window. 6061 aluminum alloy is important to supply prices, aluminum manufacturers tell you, this wood clad windows and doors biggest feature is the thermal characteristics of aluminum doors and solid wood doors combine the two into one, but also has good environmental protection, decoration resistance, energy efficiency is also higher than in 6061 alloy aluminum aluminum doors and windows, and the main force structure for aluminum thermal break. 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 film composite up at high temperatures, exposing not down, can certainly be peeled off the adhesive direct 6061 aluminum alloy, can not buy. Also known as a lot of their sales will be covered in aluminum 6061 alloy aluminum imported film supply manufacturers, in fact, once the difference between the so-called imported aluminum film and domestic films are installed simply rarely move, and hanging on the roof, 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. Sales 6061 aluminum alloy, aluminum rolls, aluminum alloy 6061 by Jinan Heshun Aluminum Limited. Jinan Heshun Aluminum Co. (www.jnhsly.com) Shandong Jinan, aluminum products leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Aluminum leadership in cis with the staff warmly welcome all inquiries negotiations to create a better future for aluminum rolls.