How many better surveying and mapping companies are there in Gansu? Do those awesome people in the surveying and mapping industry of a larger pure surveying and mapping company know the inside story?

Gansu Basic Geographic Information Center, mainly engaged in photogrammetry and remote sensing; Geographic information system engineering

Gansu Provincial Traffic Planning Survey and Design Institute Co., Ltd. Son Communications Department.

Gansu Provincial Institute of Land and Resources Planning and Research, grandfather of the Ministry of Land and Resources.

Gansu province bureau of geology and mineral resources nonferrous engineering survey and design institute

Grandpa from Lanzhou Institute of Surveying and Mapping, Planning Bureau.

Gansu provincial map research institute, map maker.

Gansu province surveying and mapping engineering college

Gansu province geology and mineral exploration and development bureau surveying and mapping academy geology and mineral Chu

Lanzhou Urban Construction Design Institute, another planning bureau.

Gansu Water Conservancy and Hydropower Survey and Design Institute, engaged in hydropower.

Northwest Survey and Design Institute of China Hydropower Consulting Group is also engaged in hydropower.

The comprehensive survey team of Gansu Coalfield Geological Bureau is also a geological and mineral system.

Sinoma Tianshui Sanhe Digital Surveying and Mapping Institute.

Big enough to do surveying and mapping.