2022-09-22 "Diligence is the foundation, virtue is the priority, harmony is the most precious, and public welfare is in the heart." This is a good family motto of Lao Renyuan, a volunteer in Luolong Community, Haichang Street, who is tireless in his work and life. Lao Renyuan and his family are enthusiastic about public welfare, united and harmonious
Urban civilization