国产久久久久久|91天堂素人|中文字幕亚洲色图|国产一级片久久,国产精品99久久久久久动医院,午夜成人免费视频观看,操综合

&From July 4 to 7, 2016, the national engineering construction quality management group representative meeting hosted by China Construction Enterprise Management Association was held in Xiamen. At the meeting, achievements were released and commended, and the group company was awarded the excellent enterprise of 2016 national engineering construction quality management group activity. At the same time, the achievements of research and development and application of floor protective door locking device were awarded the first prize of 2016 national engineering construction excellent QC group activity achievements. It is reported that the theme of this conference is "innovation, solid promotion and sub project promotion". A total of 948 achievements were released in 15 venues at the same time.