Chongqing student Li Xiaosong won the optoelectronic technology championship at the WorldSkills Competition 2022 Special Edition — China's first WSC title in the category. Two college students from Chongqing — Li Xiaosong and Wang Pei — claimed respective top honors in the optoelectronic technology and beauty therapy competitions at the WorldSkills Competition 2022 Special Edition in Tokyo, Japan, and Helsinki, …