国产麻豆9l精品三级站,国产精品永久久久久久久久久,人妻精品久久无码区,少妇性l交大片欧洲热妇乱xxx,欧美日韩午夜群交多人轮换

Yunnan aerospace engineering geophysical detection Co., Ltd. (hereinafter referred to as "aerospace inspection", stock code: 832007) was founded in 1999,

In 2015, the new third board was listed, which was the first engineering inspection institution in China.

Aerospace inspection headquarters is located in Kunming, with branches in Beijing, Chongqing, Sichuan, Hunan and other places, Enterprise Research Institute in Wuhan and information center in Chongqing. Over the years, the company has continuously carried out national layout, participated in the inspection of more than 1300 tunnels and 2100 bridges, and served more than 10000 kilometers of highway mileage. Under the "one belt, one road" opportunity, business has covered the whole country and radiated Southeast Asia, thus achieving the international layout.

Aerospace testing is a national high-tech enterprise, a quality engineering and technical support unit of the Ministry of transport, a national enterprise technology center, an enterprise technology center of Yunnan Province, and an innovative pilot enterprise. It has academician Xu Houze workstation of Yunnan Province, academician workstation of Kunming Engineering Geophysical Exploration and detection field, Yunnan Province Bridge and tunnel engineering quality control and evaluation laboratory, and Kunming bridge and tunnel detection