On the 15th to 16th, the audit team composed of the management system audit experts appointed by Shandong WorldCom Certification Co., Ltd. conducted a quality supervision system operation supervision audit on three subsidiaries of Qilu Biotechnology Co., Ltd., Sanjiu MSG and Chunrui MSG. And the environmental management system, occupational health and safety management system renewal review. The audit team experts communicated with the management, consulted the management manual, procedure documents, internal audit and management review documents, operating records, production sites and other procedures to give a high evaluation of the company's management work, that the company system is effective and approved. The expert group also put forward opinions and suggestions on the problems existing in the review process, which played an active role in promoting the standardization management of the company in the future.