Does Zhengzhou Machine Maintenance Section belong to Zhengzhou Railway Sub-bureau?

Belong to. According to the inquiry, Nanchang Railway Bureau shows that. China Railway Zhengzhou Bureau Group Co., Ltd. is one of the 18 Railway Bureau Group companies managed by China Railway Corporation, and Zhengzhou Machine Maintenance Section is subordinate to Zhengzhou Railway Branch. Zhengzhou Machine Repair Section is located at the intersection of Beijing-Guangzhou Railway and Zheng Xin Expressway in He Shili Town, Guancheng District, Zhengzhou City, covering an area of 200,900 square meters and 3 kilometers away from Zhengzhou South Railway Station.