On a rainy day, the train of Guangzhou Metro Line 4 runs in an S-shaped bend.
On a rainy day, the train of Guangzhou Metro Line 4 runs on a steep slope.
At the CRRC Guangzhou Dazhou Factory, two 160km/h high-speed urban rail transit passenger cars are assembled. In the future, these trains will be used on Guangzhou Metro Line 18 / 22.
