Visitors view the model of a Weichai 13G powertrain during the 2020 World Industrial Design Conference in Yantai, east China's Shandong Province, Nov. 25, 2020. The 2020 World Industrial Design Conference is held from Nov. 25 to 29 in Yantai. The conference also includes an exposition of China's top industrial designs, with over 800 domestic companies showcasing over 1,000 exhibits of new technology, new design and new products. (Photo by Sun Wentan/Xinhua)
