In the previous year, Hengtong completed a total of 8 energy-saving renovation projects in various industries including building materials, electronics, automobiles, chemicals and public buildings, radiating from Guangdong, Sichuan, Jiangsu and Tianjin, etc. The completed projects saved 7.3 million KWH of electricity annually, equivalent to about 2,628 tonnes of standard tonnes of coal and reduced carbon dioxide emissions by about 6,806 tonnes, with an average power saving rate of 39%. The highest power saving rate of the refrigeration plant room project was 67% and the lowest power saving rate of the project was controlled at more than 30%, and the return on investment was controlled within 3 years.