Beijing, April 16 (Youth.cn) - The 137th China Import and Export Fair (Canton Fair) opened on April 15th. As of April 14th, over 200 thousand foreign purchasers from 215 countries or regions registered for the fair. In addition, 255 global top 250 retailers and major businessmen from various countries and regions will organize delegations to join the fair, hitting a record high. The Canton Fair is being held in Guangzhou and will last until May 5th. Photo/CFP