China's national-level economic and technological development zones actively promoted innovation amid COVID-19 pandemic, and played an important role in stabilizing foreign trade and investment, according to a working assessment from the Ministry of Commerce.

The 217 zones generated 11 trillion yuan of regional GDP in 2020, up 5.6 percent year-on-year, accounting for 11 percent of the country's gross volume.

The research and development expenses of companies above designated size accounted for 1.4 percent of their revenues in 2020, with technological innovation further deepened.

The import and export volume increased 9.2 percent from a year earlier to 7 trillion yuan, accounting for 21.7 percent of China's total.

The actual use of foreign investment and reinvestment by foreign enterprises jumped 4.8 percent to $57.4 billion.

Besides, the zones contributed 17.6 percent to the local fiscal revenues in 2020, and participated in the cross-border economic cooperation.

Moreover, the zones continued to enhance ecological environment protection, with industrial consumption and pollution emission falling below the country's average.

Let's see the top 10 national economic and technological development zones in China in 2020.