It has a total length of 715.8 km (444.8 mi) of electrified double-track railway, built to the Grade 1 standard.

Positioned as part of China's "long-term railway network plan", to improve the layout and the development of South-Western China with critical infrastructure, it was Yunnan Province's first high-speed transport corridor to the sea.

With future Pan-Asian railways to Laos, Thailand and Vietnam planned or under construction, this railway will be seen as a crucial link between the economic powerhouse of the Pearl River Delta Economic Zone and Indochina under the One Belt-One Road initiative.

Built with a total investment of nearly 90 billion RMB, it was expected that the construction period would have a duration of six years.

Kunming South, Jingkai, Yangzong, Shilin West, Mile, Xinshao, Hongshiyan, Puzhehei, Zhulin, Guangnan, Bailazhai, Funing, Bo'ai, Yangwei, Baise, Tianyang, Tiandong North, Pingguo, Long'an East, Nanning West and Nanning