Can I change trains during the 7-day warm Nanning?

Yes According to official website's inquiry, a car that enjoys warmth in Nanning can be replaced for free at the same price within seven days, so it can be replaced. Nanning, also known as Greentown and Tancheng, is a prefecture-level city, provincial capital and I-type city under the jurisdiction of Guangxi Zhuang Autonomous Region. It is the core city of Beibu Gulf urban agglomeration, the central city of Beibu Gulf Economic Zone approved by the State Council, and a comprehensive transportation hub connecting the southwest to the sea.