Aerial photo taken on Sept. 9, 2020 shows the Suifenhe sub-area of the Heilongjiang pilot free trade zone (FTZ) in northeast China's Heilongjiang Province. Covering an area of 19.99 square kilometers, the Suifenhe sub-area of the Heilongjiang pilot free trade zone (FTZ) this year has hit 308 million yuan (45 million U.S. dollars) with about 91,200 border residents participating, according to the provincial department of commerce. (Xinhua/Zhang Tao)
