Core Insights - The article highlights the journey of Han Jiong, a graduate from Shenzhen First Vocational Technical School, who developed a new power bank based on a specific chip due to dissatisfaction with existing products [5][9] - Han's achievements in various skill competitions, culminating in a gold medal at the 2025 World Vocational Colleges Skills Competition, showcase his resilience and innovative spirit [6][7][11] Group 1: Personal Development and Achievements - Han Jiong transitioned through multiple skill competition categories, including communication systems, power systems, electronic products, and IoT, redefining his capabilities with each shift [5][8] - His proactive approach led to the development of a "visual troubleshooting decision tree" that significantly improved his team's emergency response speed during competitions [6][8] - Han's dedication included over 10 hours of daily training, resulting in a well-optimized project that won the gold medal in the electronics and integrated circuits category [7][10] Group 2: Innovation and Product Development - Han created a power bank using a battery commonly found in electric vehicles, which he designed to address issues like short lifespan and swelling seen in market alternatives, costing less than 50 yuan [9] - He also developed a card slot aimed at solving multi-device storage expansion issues, showcasing his ability to tackle complex engineering problems [9] - His projects reflect a strong interest in electronic product design, with additional creations including an MP3 player and a simulated smart home system [9][10] Group 3: Educational Support and Future Aspirations - The support from Shenzhen First Vocational Technical School was crucial in Han's development, providing both skill training and encouragement during challenging times [10] - Han aims to further his education and contribute to the development of smart hardware and IoT industries, aspiring to become a skilled craftsman in Shenzhen [11]