<style id="dxfbw"></style>

  • <em id="dxfbw"><rt id="dxfbw"></rt></em>

        播放灌醉水嫩大学生国内精品,国产成人精品在线观看,亚洲中文字字幕精品,久久久老熟女一区二区三区,亚洲人成人无码网www国产,亚洲国产中文美欧在线人,文中字幕一区二区三区视频播放,黑人粗硬进入过程视频

        Fireproof skylight and floor

        1337

        Characteristics of Fireproof Glass Platform:

        1. Fire prevention and heat insulation for 60 minutes, 90 minutes and 120 minutes. The platform bears more than 500 kg per square meter, which meets the load-bearing design requirements of cement floor.

        2. It is as flexible as other fixed glass platforms, but carefully designed to comply with fire regulations.

        3. The sophisticated technology is used for sound insulation and fire protection, heat insulation, practical and reliable;

        4. Elegant and luxurious design, as well as perfect aesthetic design, can walk easily even if there is a fire nearby.

        ★Testing of load-bearing fire-proof platform and ceiling glass

        ★Fire protection and load test are carried out according to the European Standard BS EN1365-2:2000 and British Standard BS 476:Part21:1987.


        Product Node Diagram:


        Recommended news
        Recommended Products
        主站蜘蛛池模板: 中文字幕久久久人妻无码| 熟女少妇丰满一区二区| 爱爱免费视频网站入口| 德清县| 久久国产精品亚洲艾草网| 激情五月天电影网| 久久综合九色综合久| 2022年国产精品每日更新| 性视频一区| 视频一区视频二区视频三| 99ri国产在线观看| 国产精久久| 中文字幕一二三区| 久久精品国产在热久久| 久久网国产精品色婷婷| 亚洲欧美日韩中文字幕在线不卡| 无码少妇一区二区三区色欲av | 无人区一码二码三码区别| 欧美成VA视频网站 XOMM1.COM| 美国专线欧洲专线日本专线| 亚洲а∨天堂2019无码| 《爆乳女教师 高清BD》| 国产精品自在线拍国产| 国产精品中文字幕av| 国产高清视频一区二区在线观看| 国产精品久久久久久久久久直播| 中国亚州女人69内射少妇| 另类小说亚洲综合影音先锋| 亚洲高清美女一区二区| 一区二区三区亚洲中文字幕| 少妇激情a∨一区二区三区| 97福利青青热久免费精品视频在线观看 | 多人运动免费观看不用登录| 免费毛片在线播放中文| 国产亚洲色婷婷久久99精品| 亚洲一级二级三级免费观看| 亚洲国产精品lv| 欧美乱码伦视频| 五月天久久综合| 无码h肉动漫在线观看免费中文| 日韩欧美一区二区三区免费观看|