He Xinji, "Nanning Craftsman" in 2022, is the network operation and maintenance engineer of China Mobile Nanning Branch. In 2012, after graduating from He Xinji University and entering the company, he used his spare time to constantly expand his knowledge and quickly understand the power system and principle of the core communication building. In a short time, he successively won the first place in the professional technical contest in the whole region, and was awarded the titles of "network technology winner" and "4G network pioneer technology expert" by Guangxi Company. "The spirit of craftsman is to strive for perfection, polish and carve something, and achieve perfection, perfection and perfection," He Xinji said@ Nanning Federation of Trade Unions