It has been working for 25 years since it was transferred from China Construction Industry Association to China Construction Association Certification Center in 1995. From 1995 to 2009, he successively served as director of the comprehensive department and manager of the second marketing department. It is a great honor to witness the birth of the first quality management system certification certificate of China Construction Association Certification Center in 1995.

She obtained the national registered auditor qualification in 1999 and became a full-time auditor of China Construction Association Certification Center in 2012. So far, it has been engaged in the certification and audit of quality, environment, occupational health and safety management system for more than 20 years, and has audited more than 500 enterprises, with a cumulative audit person day of 2500 days. For many times, it has provided certification and audit services for central enterprises and large state-owned enterprises such as China Railway 10th Bureau, China Railway 16th Bureau, China Railway Electrification Bureau, China Construction Third Bureau, China Construction Fourth Bureau, China Construction Sixth Bureau and China First Metallurgical Corporation.