The IE expo China 2020 took place at Shanghai New International Expo Center from August 13 to August 15, attracting 1,851 environmental protection companies from 24 countries and regions around the world. An influential and leading trade fair for environmental technology solutions in Asia, the IE expo China demonstrates the development trend and innovations of top-edge technologies for controlling pollutions in categories of water, solid waste, atmosphere, soil and noise in municipal management, industry and rural development.