Innovation leads to self-reliance and self-improvement to create a new engine for the rise of central China The 24th China Association for Science and Technology Annual Conference opens in Changsha Wan Gang delivered the opening speech Zhang Qingwei delivered a welcome speech Zhang Yuzhuo hosted Mao Weiming Li Weiwei Zhu Guoxian attended Huasheng Online, June 26 (all media reporter Deng Jingjin and Zhou Yangle) On the morning of the 26th, the 24th China Association for Science and Technology Annual Conference, co-hosted by the China Association for Science and Technology and the Hunan Provincial People’s Government, opened in Changsha. Wan Gang,...