(17 years 6 months) 1.Delivered hands-on instruction and lab-based training in PLC programming, sensor systems, smart measurement & control, embedded/IoT product development, and software engineering (Java, web development), with a strong focus on real-world troubleshooting and deployment readiness. 2.Authored and published a textbook, “Security System Engineering,”with 5,000+ copies distributed and adoption by 19 colleges, demonstrating strong technical writing, documentation, and training capability. 3.Coached student engineering teams to win a Provincial 1st Prize and a National 3rd Prize in Security System Engineering and Intelligent Electronic Product Design & Development competitions, a Ministry of Education event involving 800+ universities and 2,000+ teams. 4.Selected as a national higher-education expert reviewer; participated in requirements/parameter definition and bid evaluation for multiple system integration and data fusion projects with total budgets exceeding RMB 10,000,000, strengthening rigor in specs, vendor assessment, and acceptance criteria.