• <sup id="ooooo"><code id="ooooo"></code></sup><noscript id="ooooo"><dd id="ooooo"></dd></noscript><nav id="ooooo"><cite id="ooooo"></cite></nav>
  • <nav id="ooooo"><sup id="ooooo"></sup></nav><tfoot id="ooooo"><dd id="ooooo"></dd></tfoot>
    <sup id="ooooo"></sup>
    欧美freesex潮喷,亚洲成人精品,99精品视频免费,精品av,亚洲中文字幕系列,成人综合网址,中文字幕亚洲在线观看,欧洲成人av

    Steely Energy-saving Fireproof Window

    1337

     Technical parameters of refractory windows

    Fire Performance   

      0.5h、1.0h

    Thermal Insulation 

    K=2.66 W/(m2·k)、K=2.06w/(m2·k)

    Air Permeability  

    Level 8 (8level)

    Watertightness  

    Level 6 (≥4level)

    Wind Load Resistance  

    Level 9 (9level)


    Recommended news
    Recommended Products