Gao Lei, welder, senior engineer and senior technician of the Steel Structure Engineering Technology Branch of China Metallurgical Group Corporation. Won the National Upward Good Youth, National Young Post Expert, Autonomous Region May Day Labor Medal, etc. Participated in the 15th National Engineering Construction Welder Skills Competition of 2021 National Industrial Vocational Skills Competition, won the National Individual Gold Award for Welders, and was the only gold medal winner in the event in Inner Mongolia Autonomous Region; Participated in the 2020 "Belt and Road" "Jiake General Technology Cup" International Welding Competition and won the second prize of the individual. The Lanzhou Chaijiaxia Yellow River Bridge Project participated in the construction was awarded the "National Excellent Welding Engineering Award" by the China Engineering Construction Welding Association, and the construction process of the project was broadcast continuously by CCTV Channel 4 and Channel 9@ Inner Mongolia Autonomous Region Federation of Trade Unions