Carbon neutrality, clean air and safe cold-chain transport will be the focus of the 2021 China Refrigeration Expo. More than 1,100 exhibitors will display their latest technologies and products at the Shanghai New International Expo Center from Wednesday to Friday. Of nearly 20,000 exhibits, 54 products, from compressors, freezers to heat pumps, are to be honored as innovations. Most of them display carbon neutral technologies, according to Wang Congfei, deputy secretary general of Chinese Association of Refrigeration.