An exhibitor (left) introduces products to potential buyers at the 113th China Import and Export Fair, which opened in Guangzhou, capital of Guangdong Province, yesterday. Nearly 25,000 companies, including 562 from 38 foreign countries or regions, are attending the event, also known as Canton Fair and China's largest. About 200,000 overseas buyers are expected to attend the three-phase fair, which will last until early May.