一区二区三区四区黄色片|美国亚洲明星无码|国外一级黄色电影|专区一专区二亚州人妻|成人av教育小说在线观看|中华黄色免费精品在线一区二区三区|免费一级A片在线观看视频|9999精品色片视频|精品九九少妇亚洲论片|国产乱╳╳aⅴ毛片

Enterprise Qualification
  The Group owns the first level qualification of general contraction of house building engineering construction, the special grade qualification of general contraction of the municipal utilities engineering construction, the second level qualification of the general contraction of highway engineering construction, the first level qualification of contracting building decoration design and construction integration, building curtain wall design and construction integration, the first level   qualification of contracting professional steel structure, electrical and mechanical equipment installation, the second level qualification of contracting professional lifting equipment installation, fire control facilities, pile foundation, concrete components and real estate development management, the second level qualification of contracting garden engineering construction, the C-level qualification of contracting the architectural design and so on and possessing the right of signs the contract of foreign economic and technological cooperation.