Aluminum doors and windows broken bridge color composition structure is a combination of steel doors and wooden windows environmental balcony, behind bars. Security firm steel window and steel doors in common thermal insulation is composed of two different sections by a combination of energy-saving insulation strips made of advanced plastic doors and windows, energy-saving insulation, also called a nylon strip, 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. In recent years, there were many well-known major building materials exhibition "German" Broken windows, doors and windows are in fact looking for a small domestic smelter plant with waste recycled aluminum extruded profiles, the self-labeled non-existent "Germany" with this inferior race charge means good Cailv steel doors, hype and lied to "Germany" windows, doors and hardware, while also labeled with the profiles of the same name fraud, often you did not spend less money, but it is to buy low-quality OEM doors and windows. The company did inform, but certainly there are a few people believe that it is in Germany, like other bank staff to inform depositors telephone fraud is not the behavior of remittances, there will be a few people can not listen to the advice of remittances in the past! Senior steel doors and windows | doors still Xi'an (certified) | Xi'an steel doors still provided by the Xi'an Door. Xi'an is still Door (www.xazhongshang.com) is Xi'an, steel leader, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Xi'an is still leading in the doors and windows with the staff warmly welcome all inquiries negotiations to create Xi'an doors still a better future.