China import and export commodities fair, also known as Canton Fair, was founded in the spring of 1957, held in Guangzhou every spring and autumn. The canton fair is jointly organised by the Ministry of Commerce and the People's Government of Guangdong Province, and organised by the China Foreign Trade Center, it is a comprehensive international trade event with the longest history, the largest scale, the most complete commodities, the largest number of buyers, the widest sources, the best transaction results and the best reputation in China, known as“China's first exhibition”, China's foreign trade“Barometer”“Weather vane. The canton fair is the window, epitome and symbol of China's opening to the outside world and an important platform for international trade cooperation. Since its inception, the Canton Fair has gone through ups and downs without a break. It has successfully held 135 sessions and established trade relations with 229 countries and regions around the world, with a total of about US $1.5 trillion in export transactions, more than 10 million overseas buyers have visited the fair and the online exhibition, which has greatly promoted China's trade exchanges and friendly exchanges with other countries and regions around the world.