East China Fair, or ECF for short, is the largest regional trade fair organized in China which features traders from across the world and also has the highest turnover. It is held annually in March in Shanghai. It is supported by the Ministry of Commerce and is co-organized by nine provinces and cities including Shanghai, Jiangsu, Zhejiang, Anhui, Fujian, Jiangxi, Shandong, Nanjing and Ningbo.