Beijing, May 9 (Youth.cn) - The 27th China International High-tech Expo opened on May 8th. Themed on “Science and Technology for A Better Future”, this year’s expo focuses on advanced, new-emerged and future technologies and industries. Exhibition, trade and investment promotion activities and online display are arranged in the expo. With a total exhibition area of 50,000 sqm, the expo offers a stage for 600 new technological products. Photo/CFP