According to the company's annual plan work deployment, Runda company has conducted internal review on the operation of quality, environment and occupational health and safety management system of all departments of the company from May 13 to 15, 2018.By introspection and peer review of each department, they find out their system loopholes and weak links that exist in the management. This work is beneficial to improving the quality of the company overall system operation and the level of department management system which plays an important role. The company has achieved the desired effect through internal audit.