China on Thursday rolled off the production line a prototype magnetic-levitation train with a designed top speed of 600 km per hour in the eastern city of Qingdao. /Xinhua Photo 

The debut of China's first high-speed maglev train testing prototype marks a major breakthrough for the country in the high-speed maglev transit system. /Xinhua Photo

The testing prototype can check and optimize the key technologies and core system components of the high-speed maglev system and lay a technological basis for the forthcoming engineering prototype. /Xinhua Photo

The engineering prototype is scheduled to roll off the production line in 2020 and go through comprehensive tests to finish integrated verification in 2021. /Xinhua Photo