色综合热无码热国产_精品国产免费人成网站_国模吧无码一区二区三区_欧美V国产V亚洲V日韩九九 日韩情欲综合福利久久电影,日韩素人一区二区,国产高清AV日韩高清AV,国产麻豆日韩在线观看

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.