Why is it called Shaoshan electric locomotive?

Since the earliest manufacturer of electric locomotives in China at that time was the Zhuzhou Electric Locomotive Factory (now CSR Zhuzhou Electric Locomotive Company), and Zhuzhou was a prefecture-level city in Hunan, and Shaoshan was a symbolic area of ??Hunan. Hence the name~

However, the Shaoshan series electric locomotives have become obsolete, replaced by the more advanced Harmony series. At the same time, the production of electric locomotives has changed from the original CSR Zhuzhou Locomotive Co., Ltd. to the CSR Zhuzhou Locomotive Co., Ltd. ,CNR Datong and CNR Dalian are three pillars~