Environmental testing technology manager: since 2003, he has been serving as the environmental testing technology manager, responsible for the formulation of environmental specifications for each product line of the company, the construction of the environmental test verification system, the selection of environmental test equipment and the reliability analysis and verification of key components; during his tenure, he formulated the method of determining the environmental specifications of each product line, and accomplished the construction of the environmental test verification system and the selection of environmental test equipment for each product line. During his tenure, he formulated the method of determining the environmental specifications of each product line, completed the construction of the environmental test and verification system of each product line and the selection of environmental test equipment, led the reliability analysis and verification of key components such as LCD screens and digital processing boards, and led the design of the HALT test for a product in custody, and was promoted to Senior Engineer of R&D System in January 2004 due to his outstanding work.
Product Testing Manager: In August 2004, he was appointed as Product Testing Manager of Biochemistry R&D Department, responsible for risk management, product testing and fault management of biochemistry product line and its platform construction. During his tenure, he has led the organization and planning of product confirmation and fault management for all biochemical products, and has solved the problems of poor repeatability of product absorbance, poor anti-interference ability of liquid level detection, and has led the verification of the reliability of key components such as spline vice, guide rail, etc. In 2005, the two key projects he participated in were both rated by the company as "excellent project", and the project team was rated as "excellent project", and the project team was rated as "outstanding project", and the project team was rated as "excellent project". In 2005, the two key projects participated in were awarded as "Excellent Project" by the company, and the project team was awarded as "Excellent Project Team". Due to the excellent work, he was awarded "Outstanding Contribution Award" and was nominated as a member of Engineering and Technology Title Evaluation Committee.