国产欧美日韩三级,日韩a一级欧美一级,韩国美女高清爽快一级毛片,国产人妖在线,在线精品自拍,精品一区二区三区在线视频,一区二区三区视频网站

&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.