Lanzhou on December 22 when to resume work resumption of the latest news. According to the query related public information shows that as of December 17, 2022, Lanzhou epidemic prevention requirements show that on December 22, 2022, the city resumed work, so Lanzhou on December 22 when resumption of work and production. Lanzhou, referred to as Lan, Gaogao, the ancient name of Jincheng, Gansu Province, prefecture-level cities under the jurisdiction of the provincial capital.