Vendor Yang Xiaodan (L) introduces new door knob to Nigerian businessman Kazeem Alominle at a market in Yiwu, east China's Zhejiang Province, Jan. 5, 2017. According to Hangzhou customs, Zhejiang's foreign trade value amounted to 217.84 billion yuan in January, up 21.5 percent year on year. Exports and imports grew 17.8 percent and 38.2 percent year on year respectively. [Photo by Tan Jin/Xinhua]