October 5 to 6, 2021, Shandong Rongman Petroleum Technology Co., Ltd. conducted a two-day environmental management system, occupational health and safety management system and quality management system certification audit. Audit teacher of the company's various departments of the three system operating conditions, environmental factors, hazard sources and other aspects of a careful and meticulous audit. In the audit process, the company's various departments actively cooperate, audit teachers to accept the audit of the department system operation in detail. The departments of the audit team put forward suggestions carefully recorded, positive improvement. October 6, the audit team and the company held the last meeting, the audit team from all sides in the face of the company's "three system" effective operation and continuous improvement to give a high evaluation, and put forward comments and suggestions. After two days of review, the company successfully passed the three-system audit and received the certificate on October 22, 2021. This audit is an authoritative inspection of the operation of the company since the implementation of the "three systems", which plays a far-reaching and important role and significance in improving the company's management level and the company's better and faster development.