The Shaoshan 7B (Chinese: 韶山7B) is a type of electric locomotive used by China's national railway system China Railways.

[1] According to the design task book issued by the Ministry of Railways in 1996, Datong Electric Locomotive Works developed SS7B Electric Locomotive.

At first, two SS7Bs belong to Kunming Locomotive Depot, Kunming Railway Bureau, later two SS7Bs were transferred to Nanning Locomotive Depot, Nanning Railway Bureau.

In 2005, SS7B-0001 was destroyed in an accident which happened in Nanning-Kunming Railway.

[2][3] SS7B-0002 was transferred to Liuzhou Locomotive Depot in the spring of 2018.