Carbon fiber subway cars shown in Qingdao

http://en.people.cn/n3/2024/0627/c90000-20186316.html

A CETROVO 1.0 subway car is on display in Qingdao, east China’s Shandong Province, June 26, 2024. The CETROVO 1.0 subway car was launched in Qingdao on Wednesday. With a carbon fiber composite body and frame, it is lighter and more energy-efficient than the traditional subway train. (Xinhua/Li Ziheng)

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