Group 1 - The 9th China-South Asia Expo and the 29th China Kunming Import and Export Commodities Fair opened in Kunming, lasting for six days [1] - The event features participation from 73 countries, regions, and international organizations, with over 2,500 enterprises exhibiting [1] - The expo covers all countries in South Asia and Southeast Asia, highlighting its extensive reach [1] Group 2 - During the expo, nearly 40 professional economic and trade activities will be held, including the China-South Asia Cooperation Forum and project matching sessions [1] - The event aims to precisely connect industrial resources and meet the needs of exhibitors and buyers through the "Invest in China, Invest in Yunnan" series of activities [1]