精品91一区二区三区_国产亚洲日本一区二区三区_又硬又粗进去爽A片免费_国产成人精品曰本亚洲77美色_国产片婬乱一级毛片a_欧美xxxx做受欧美gay,国产欧美在线不卡_国产精品一二三区日韩免费_狠狠久久五月精品中文字幕_老子影院午夜伦手机不四虎卡_人妻老妇乱子伦精品无码专区_国产成人手机在线视频在线观看

    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.