When will Longdong College be unsealed?

From September 20, 2022 15: 00, Longdong College campus was adjusted from a medium-risk area to a low-risk area, and normalized prevention and control measures were implemented throughout Xifeng District. After the adjustment, all the high-risk areas in Qingyang, Gansu Province were cleared.

Longdong University's patent is the method of backfilling abutment with coal gangue; Gansu Agricultural University invented the patent, Lanzhou University of Technology invented the axial flow turbine device, Hexi College invented the extraction method of Nostoc commune polysaccharide, Gansu University of Traditional Chinese Medicine invented the deoiling and thawing device for brewing Chinese medicine, Northwest Normal University invented the precise positioning system based on wireless sensor network, and 14 patents entered the recommended project of Gansu Patent Award in 2022.