Aluminum doors and windows broken bridge color composition structure is a combination of green steel doors wooden window manufacturers, behind bars. Security firm steel window, steel doors thermal insulation in common is a combination of two different sections of insulation through energy bars, energy bars, also known as nylon insulated steel doors and balcony bar, its main role is played in intermittent heat transfer open to prevent or slow the rapid transfer of hot and cold heat transfer capabilities. Its complex structure than conventional aluminum doors and windows, high cost, not ordinary Cailv with insulation strip steel doors, no insulation on the surface do not just paste saving treatment. Xi'an bridge must be custom-colored aluminum doors and windows made of aluminum professional production cycle from its surface color treatment of all specialized technical Cailv steel doors, life is permanent, while the ordinary Xi'an colored aluminum doors and windows by just any ordinary one kind of aluminum, without the specialized treatment they have to paint one color, no aluminum production and processing technology in place of professional home, painting effects and age is not good, there will be long fade fade phenomenon, known as leather gland, which determines the color of aluminum doors and windows broken bridge is a long production cycle of production, while the average Cailv doors manufacturing production cycle is short features. Steel doors and windows factory | Xian steel doors | Xi'an steel doors still provided by the Xi'an Door. Xi'an is still Door (www.xazhongshang.com) strong, credible, in Xi'an steel industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xi'an doors yet and you work into the brilliant, for a better future!