From December 28th to 29th, an audit team composed of energy management system audit experts appointed by Fangyuan Certification Group Co., Ltd. audited our group Qilu Biotechnology Company, Kangtel Food Company, Sanjiu MSG, Chunrui MSG, heating company, etc. Five subsidiary companies conducted a renewal review of the operation of the energy management system. The experts of the audit team gave high evaluation to the company's energy management work through procedures such as communicating with management, consulting document materials, operating records, and production sites. They considered that the company's system was operating effectively and recommended passing a renewal audit. And put forward suggestions and opinions on the problems in the audit. Companies and departments should seize the opportunity of this audit, learn from each other, find out the shortcomings, and continuously improve the management and business level of the company and department.