The imports and exports of Tianjin, China's northern port city, topped 80 billion U.S. dollars as of Friday morning, a year-on-year rise of 22 percent, according to the statistics offered by the city's customs.

Tianjin bounded into the country's top four port cities and its port revenues are now second, next to Shanghai.

During the first 11 months of this year, imports and exports of foreign-funded firms in the city were worth 38 billion U.S. dollars, up 24 percent and accounting for 80 percent of the city's total.

Meantime, private enterprises registered 2.85 billion U.S. dollars, up 90 percent year on year.

The imported and exported merchandise from other provinces handled via Tianjin ports were valued at 39.9 billion U.S. dollars, an increase of 20 percent.

Some 15.1 billion U.S. dollars worth of goods were imported, up 33.6 percent while exports were valued at 24.8 billion U.S. dollars, up 11.9 percent in the first 11 months.

Source: Xinhua