Li Wanjun. [Photo by Deng Jia/Asianewsphoto]

Li Wanjun

Li Wanjun is the top welder at Changchun Railway Vehicles Co under China Railway Rolling Stock Corp.

Since 2010, Li has led his team to secure 21 national patents and tackled key technical bottlenecks in manufacturing China's high-speed train. He was praised by Premier Li Keqiang as "master of high-speed train welding".

Many foreign companies have invited Li Wanjun to work for them, but he has stayed with the Chinese company he has served for 30 years.