The China Import and Export Fair, also known as the Canton Fair, is held in Guangzhou every spring and autumn. It is a comprehensive international trade event with the longest history, the largest scale, the most complete commodities, the largest number of buyers and the widest sources, the best transaction effect and the best reputation in China, and is known as “China’s No. 1 Exhibition” and “Barometer” and “Wind Vane” of China’s foreign trade.