There are two famous ones in China: 1. Guangzhou Canton Fair. 2. Yiwu World Expo. Both of them are held every year, and the Yiwu Fair follows the Canton Fair, because it is more convenient for foreigners. After a short break in the Canton Fair, they can come to Yiwu to participate in the Expo. If you are abroad, there will be more. You can follow it.

Bee search.