China import and export Fair, Canton Fair for short.Founded in the spring of 1957, it is held in guangzhou in spring and autumn every year. It is jointly sponsored by the Ministry of Commerce and guangdong provincial people's government and undertaken by China foreign trade center.It is a comprehensive international trade event with the longest history, the highest level, the largest scale, the most complete commodity categories, the most buyers present, the widest distribution of countries and regions, and the best transaction effect in China. It is known as "the first exhibition in China" [1-3].Since the 101st session in April 2007, Canton fair changed its name from China export commodities fair to China import and export commodities fair, changing from a single export platform to a two-way import and export trading platform.
After 62 years of development, Canton fair has strengthened the trade between China and the world. It is a high-quality platform for Chinese enterprises to explore the international market and a demonstration base for China's foreign trade development strategy.It has become the first platform to promote China's foreign trade, a barometer and vane of China's foreign trade, and a window, epitome and symbol of China's opening up to the outside world.