色xxxxx I 国外精品久久久蜜桃免费全文阅读 I 福利在线观看视频 I 在线欧美不卡 I 3344成人免费高清免费视频 I 色多多导航 I 日日摸日日碰夜夜爽无码 I 中文字幕人妻高清乱码 I 成人免费视频高清 I 无码一区二区三区免费 I 国产偷国产偷亚洲清高app I 欧美大黄视频 I 精品久久1 I 日韩丝袜另类精品av二区 I 色丁香婷婷 I 免费成人福利 I 爱情岛论坛自拍亚洲品质极速最新章节列表 I 偷拍成人一区亚洲欧美 I 在线 一区 视频 I 国产精品88久久久久久妇女 I 国产成人av大片大片在线播放 I 中文一区二区完整视频在线观看 I 动漫美女穿透明内裤 I 九色porny麻豆 I 黑人巨大videos精品 I 香蕉久久av一区二区三区app I 日本天堂网一区 I 日本网站在线 I 欧美激情另类文学 I 久久九 I 韩国bj在线观看 I 免费在线日本 I 97理论片

    Recently, implemented and completed by the decorative branch company, organized and declared by our group company, the patent achievements of <The Bo magnesium compound enhanced a-class fire decorative board technology research>, won the second prize of technology innovation achievements in 2011 year which delivered by China Construction Enterprise of the Management Association.

    The event is organized by the Association of Construction Enterprise Management of China , aims to summarize the new experience,the new methods and new materials in the promotion of construction enterprises in carrying out the project, .

The glass magnesium compound enhanced a-class fire decorative board researched  and developed by the decorative branch company is a new type of fire prevention wall decorative board. It was applicated large areas in Weifang Lu Tai Convention and Exhibition Center project and obtained good results.