Southwest China's Chongqing municipality saw its foreign trade volume rise 17.5 percent year on year to 47.78 billion yuan ($7.07 billion) in January, according to Chongqing Customs Wednesday.

Chongqing's exports recorded a year-on-year increase of 27.2 percent to 31.78 billion yuan, while its imports totaled 16 billion yuan, up 1.9 percent from the previous year, said Li Yu, deputy director of the customs.

A railway worker works beside a China-Europe freight train in southwest China's Chongqing. [Photo by Tang Yi/Xinhua]

Trade with countries along the Belt and Road, the European Union and the United States grew by 4.4 percent, 37.6 percent and 9.2 percent respectively.

Electronic products such as laptops were Chongqing's major exports, while the integrated circuits were the major imports over the past month.

Aerial view of Chongqing city. [Photo by Liu Chan/Xinhua]