Is there a connection between Nanning and Mashan?

No, according to the information released by Nanning Railway Bureau, it is known that the Nanning-Mashan high-speed railway has not been opened to traffic as of July 5, 2023, and it is expected to open to traffic in 2024. Nanning, referred to as "Tan", was called Tan Guo in ancient times, also known as Greentown. Guangxi Zhuang Autonomous Region governs prefecture-level cities, capitals, I-type big cities, Beibu Gulf Economic Zone, Pearl River-Xijiang Economic Belt, core cities of Beibu Gulf urban agglomeration, and permanent venue of China-ASEAN Expo.