A businessman from the United States shops around in the international trade center in Yiwu, Zhejiang province on April 13, selecting desirable auto parts. [Photo/Xinhua]

Wu Haiying (left), owner of a sports goods shop at the international trade center in Yiwu, Zhejiang province, explains toa customer from Romania how to use a bow and arrow for physical fitness on April 13. [Photo/Xinhua]