The latest news on the resumption of work and production in Lanzhou on December 22. According to relevant public information inquiries, as of December 17, 2022, Lanzhou's epidemic prevention requirements show that the city will resume work on December 22, 2022, so Lanzhou will resume work and production on December 22. Lanzhou, referred to as Lan and Gao, was called Jincheng in ancient times. It is a prefecture-level city and provincial capital under the jurisdiction of Gansu Province.