The 2020 Zigong New Material Design Innovation Competition is held in the Zigong High-tech Zone in Zigong City, Sichuan Province, on September 25. Over 30 teams and individuals from Chongqing Municipality, Chengdu, Neijiang and Zigong cities took part, with a kind of new insulation exterior wall paint developed by the Neijiang Shangnuosen Scientific and Technological Co. Ltd winning the top honor. [Photo/China.org.cn]
