From December 22 to 24, 2016, an auditing team from CQM Certification Center conducted a supervision and auditing of the company's quality, environment, occupational health and safety management system.

According to the results of supervision, the CQM Certification center spoke highly of the company in the system improvements, technological innovation and other aspects of active exploration. The audit results show that the company's triple-play system is adequate, appropriate and effective.