This book tells the story of senior technician Chen Feng's growth from an intern who first entered the factory to an industry elite. Chen Feng started his career in an auto parts factory. Faced with many difficulties such as the high scrap rate of processed parts, he did not give up and achieved breakthroughs through hard work. After accumulating experience, he continued to improve his skills and also served as an apprentice mentor to pass on his skills. When the factory faced the impact of new technologies and the crisis of declining orders, he stepped forward to master the new equipment operating technology and lead the factory to new development. After becoming a senior technician, he participated in important product research and development and international cooperation projects, winning honors for the factory with his ingenuity and superb technology, demonstrating the tenacity, wisdom and responsibility of senior technicians in the process of pursuing technological innovation, inheriting skills and responding to industry challenges.