Tianjin Eye, a giant Ferris wheel, is seen over the Haihe River in Tianjin, on Dec 19, 2018. [Photo/IC]

The GDP of Tianjin for the first time surpassed 1 trillion yuan ($142.32 billion) in the half year period, hitting 1.04 trillion yuan, according to a report by 21st Century Business Herald.

Six cities witnessed their GDP exceeding 1 trillion yuan in first half, with Shanghai leading the list with a GDP of 1.64 trillion yuan, followed by Beijing (1.52 trillion yuan), Shenzhen (1.21 trillion yuan) and Guangzhou (1.18 trillion yuan).

The other city was Chongqing with GDP reaching 1.03 trillion yuan, which is also the first time for the city to rank in the national top six cities.

The overall GDP of the top 20 cities in H1 reached 16.16 trillion yuan, contributing 35.84 percent to the nation's GDP, 1.2 percentage points higher than that of the same period last year, the report, based on economic statistics collected by a data journalism lab under 21st Century Business Herald, said.