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Chongqing, Sichuan, Shaanxi, Xizang, Xinjiang, Qinghai, Gansu, Ningxia

Regional Manager: Sun Rui

Mobile phone: 18609496760

Email: rui.sun@sz-tongye.com

Service scope:

1. Responsible for providing customer call and letter information services

2. Responsible for providing technical support and customer service for products related to high-speed trains, locomotives, and subway trains.

Hubei, Henan, Shandong, Shanxi, Hebei, Liaoning, Jilin, Heilongjiang, Inner Mongolia

Regional Manager: Yi Chao

Mobile phone: 15386118693

Email: chao.yi@sz-tongye.com

Service scope:

1. Responsible for providing customer call and letter information services

2. Responsible for providing technical support and customer service for products related to high-speed trains, locomotives, and subway trains.