China Import and Export Fair, also known as the Canton Fair, was established in 1957. It is held every spring and autumn in Guangzhou, China. The Canton Fair is a comprehensive international trading event with the longest history, the largest scale, the most complete exhibit variety.

Aluminum foil is a common household product and is often used for cooking. However, some people think that the use of aluminum foil in cooking will cause aluminum to penetrate into food, thus endangering health. However, some people think it is completely safe to use it.Let's analyze the risks assoc