The reporting entity only consumes electricity and natural gas in the production process. According to the settlement vouchers actually purchased by the enterprise and in accordance with the "Guidelines for the Calculation and Reporting of Greenhouse Gas Emissions of Mechanical Equipment Manufacturing Enterprises (Trial)" (Development and Reform Office Climate [2015] No. 1722), on the basis of accounting unit division, carbon source flow and emission source identification, the reporting entity calculated and reported the greenhouse gas emissions of each accounting unit and the emissions of each emission source under it. The total greenhouse gas emissions of the reporting entity in 2023.