精品免费国产一区二区三区四区-国产精品V欧美精品∨日韩-无码人妻久久久一区二区三区-国产高清国语av在线免费观看-免费黄十八禁网站在线观看-国产一级a毛一a毛免费视频-无码AV最新无码AV专区-91尤物在线播放-91综合久久-色婷婷五月天激情视频-一级aaaav视频-国产精品熟女一区二区-91人妻久久久精品中文字幕瑜伽-色综合AV综合无码综合网站-麻豆AV一区二区三区久久-久久精品国产亚洲av熟女

&On September 10, 2019, the "China Construction Industry Supply Chain and Labor Management Summit Forum" organized by the construction supply chain and labor management branch of China Construction Industry Association was held to explore solutions to the problems faced by the current construction labor industry, such as aging, "labor shortage", extensive management, and how to transform the cultivation lag to industrialization. At the meeting, a series of awards were also released, and the group labor service company awarded the "national construction integrity labor enterprise" (AAA level).