![](http://www.ecns.cn/hd/2021/10/21/69c60a61ddb84f98b1aa097bc9f9e673.jpg)
People take China's first urban rail vehicle with a dual-current system in Chongqing, Oct. 20, 2021. (Photo: China News Service/Chen Chao)
China's first self-developed urban rail vehicle with a dual-current system was delivered in Chongqing on Wednesday, making it possible to connect the outskirts of a city with its downtown without transfers.
![](http://www.ecns.cn/hd/2021/10/21/22b772132e464946ba0278ab8d91b039.jpg)
People take China's first urban rail vehicle with a dual-current system in Chongqing, Oct. 20, 2021. (Photo: China News Service/Chen Chao)
![](http://www.ecns.cn/hd/2021/10/21/88e8e6dde9824e39b44ed989550f0a91.jpg)
Photo taken on Oct. 20, 2021 shows the inside view of a carriage of China's first urban rail vehicle with a dual-current system in Chongqing. (Photo: China News Service/Chen Chao)
![](http://www.ecns.cn/hd/2021/10/21/6547e836a8be4d7d8458b90ed078f91b.jpg)
Photo taken on Oct. 20, 2021 shows the inside view of a carriage of China's first urban rail vehicle with a dual-current system in Chongqing. (Photo: China News Service/Chen Chao)
![](http://www.ecns.cn/hd/2021/10/21/b2dc5d3ad0c94486be91821e9c9b054b.jpg)
Photo taken on Oct. 20, 2021 shows China's first urban rail vehicle with a dual-current system in Chongqing. (Photo: China News Service/Chen Chao)