Yang Yanfei, born in Shandong province in the 1990s, is a police officer at the Zhuangshi sub-district police station in Ningbo, Zhejiang province. Because of his excellent language skills, Yang was assigned to the task of providing administrative services to foreigners living in the sub-district three years ago.

In Yang's jurisdiction, there are over 1,000 resident expats from 84 countries. In order to communicate with them as effectively as possible, Yang has managed to master 10 foreign languages. His professionalism and friendliness is appreciated by many foreigners living in Zhuangshi sub-district.