Carbon fiber metro train begins service in E China's Qingdao-Xinhua
Carbon fiber metro train begins service in E China's Qingdao
Source: Xinhua
Editor: huaxia
2025-01-11 10:19:15
QINGDAO, Jan. 11 (Xinhua) -- The CETROVO 1.0 subway car started its operation on the Qingdao Metro Line 1 on Friday. With a carbon fiber composite body and frame, it is lighter and more energy-efficient than the traditional subway train.