In IOG, we always believe that delivering local and sustainable service is the key to our success. Therefore, we make every effort to carry on corporate social responsibility. We ensure the rights and obligations of all our partners, so we not only comply with the various relevant laws and regulations, but also formulate relevant important internal regulations to establish risk assessment system. At the end of January 2022, we have obtained ISO9001 (Quality Management System) and ISO45001 (Environmental Safety and Health Management System), two International Standardization Organization certification (ISO).