Li Kaijun: Polishing Your "Different Life" on Metal Li Kaijun is the monitor of the locksmith class of FAW Group and has been engaged in locksmith work for more than 20 years. Zheng Chunhui: He never forgets to pass on the classics. With a pair of dexterous hands and a tireless heart, he recreated the grand occasion of the riverside scene on Qingming Festival on a piece of wood. Zhu Shijie: He is a dock crane driver. He once successfully rescued a maritime accident with skillful technology and unique operation methods.

1, Li Kaijun: Polishing Your "Different Life" on Metal Li Kaijun is the monitor of the locksmith class of FAW Group and has been engaged in locksmith work for more than 20 years.

2. Zheng Chunhui: He never forgets to pass on the classics. With a pair of dexterous hands and a tireless heart, he recreated the grand occasion of the riverside scene on Qingming Festival on a piece of wood.

Zhu Shijie: He is a dock crane driver. He once successfully rescued a maritime accident with skillful technology and unique operation methods.

4. Zhou Hao: a "deep-sea craftsman" who always pursues the ultimate. Zhou Hao is an ordinary locksmith in the Institute of Deep Sea Research, Chinese Academy of Sciences, responsible for the processing, manufacturing and maintenance of parts and components of deep sea scientific research equipment in the Institute.

5. Sun Hongmei: Operating on the "heart" of the plane. Aero-engine is the heart of an airplane, and maintaining aero-engine means operating on the heart.