The energy costs of the main products have been reduced through the precise management of energy work, the technical improvement of energy systems and energy-consuming equipment, and the utilisation of energy surplus and price advantage for generating energy, the Group has established a large-scale energy performance appraisal mechanism; every single enterprise reports the cost reduction project on a monthly basis, conducts a video conference every quarter to confirm the progress of the project, organises on-site inspection and supervision for the problems arising during the project promotion, takes measures to rectify by a deadline, and establishes a platform for energy business information.