免费高清在线观看a片,黄三级高清在线播放,久久人妻人人人妻,亚洲高清有码中文字-日本aⅴ精品一区二区三区久久,久操视频在线免费观看日本,欧美一区二区在线观

&Recently, China Construction Industry Association held a conference on the achievements of the national excellent QC team of engineering construction in Chengdu, Sichuan Province. The group company won the title of excellent enterprise in 2017 national engineering construction QC group activity. The innovative achievement of "ingenuity QC" group of group mechanical construction company, tower crane assembly wall attached pole, won the first prize of 2017 national engineering construction quality management group activity excellent achievement; the field achievement of "seeking truth QC" group of group 10 company, improving the first-time installation qualification rate of assembled reinforced truss concrete laminated plate, won the 2017 national engineering construction quality management group Second prize for outstanding achievements.