With polarized sun eyes, you can see the color of the stripes, no steel should not see.

Laminated glass is also known as laminated glass. Laminated glass is two or several pieces of float glass sandwiched with a strong PVB (ethylene polymer butyrate) film, by hot press press combined as much as possible to discharge the middle air

The amount of heat that buildings lose from Windows in winter is considerable. According to U.S. statistics, about 30 percent of the energy consumed by buildings is lost through Windows. In Sweden the proportion is even higher

The door, window and curtain wall have two states under the action of wind pressure:

 Hardware pendant can bear certain weight commonly in use process, add to press hard, pull pull or installation is not firm wait for a factor