精产国品一二三产区区别,精品亚洲国产成人蜜臀av,久久久久久亚洲精品成人,国产又色又爽无遮挡免费

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