Century City Community, Pengquan Street, Laiwu District, Jinan City. According to Baidu map, Laiwu Century City is under the jurisdiction of Pengquan Street and Century City Community in Laiwu District, Jinan City. Community is a large group of social groups or organizations gathered in a certain field, which are interrelated in life. It is the most basic content of social organism and the epitome of macro-society. Sociologists have given more than 40 definitions of community:/kloc-0.