How many days does it take for Dayun Express Xiangyun to arrive in Kunming?

Three days. The two provinces are very close, so it takes three days to use the Dayun express train. Dayun Express, a national network brand express enterprise integrating express delivery, logistics, e-commerce distribution and warehousing services, was established in August of 1999 and is headquartered in Shanghai, China, covering 3 1 provinces (autonomous regions and municipalities) and Hong Kong, Macao and Taiwan.