While working in the Design Institute, in addition to participating in product design and R & D, he also provided technical services to a large number of enterprises, including guiding enterprises to establish and improve the management system and guide the operation of the enterprise system in accordance with the national industrial product production license management requirements, special equipment manufacturing license implementation requirements, fire product type approval requirements and other industrial requirements and the requirements of international advanced standards, Until obtaining the production license and / or passing the management system certification, it has laid a good foundation for the improvement of enterprise management level. In order to cooperate with the enterprise to implement the requirements of quality management system standards, he participated in editing textbooks such as the application of quality management system standards in small and medium-sized enterprises, and explained 9000 family standards such as GB / T19001 in easy to understand language, which was welcomed by the enterprise and received very good results.

After more than ten years of design in the Research Institute, I quickly grew from an ordinary technician to an enterprise manager. In 2001, as an early group of enterprise managers learning quality management system standards in China, he soon became a certified auditor. Since 2002, he has been engaged in the certification and audit of quality, environment and occupational health and safety management system. So far, he has been engaged in the audit for nearly 20 years. More than 1200 enterprises have been audited, and the total number of audit person days has exceeded 3000 days. Since 2015, he has joined the certification center of China Construction Association, engaged in certification and audit, audited nearly 400 enterprises, and repeatedly provided certification and audit services for large state-owned enterprises such as China Construction First Bureau, China Construction Eighth Bureau, China Railway 10th Bureau, PetroChina and so on.