A photo taken on March 13, 2022 shows a production line of car seat covers for Tesla, Infiniti and other brands in the Nantong Free Trade Zone (FTZ), East China's Jiangsu Province. In 2021, the FTZ's total trade exceeded 10 billion yuan ($1.58 billion) for the first time, reaching 10.4 billion yuan, up 30 percent year-on-year. Photo: VCG