Century City Community, Pengquan Street, Laiwu District, Jinan City. According to Baidu map, Laiwu Century City belongs to Pengquan Street and Century City Community in Laiwu District, Jinan City. Community is a large group of social groups or social organizations that gather in a certain field and are interrelated in life. It is the most basic content of social organism and the epitome of macro-society. Sociologists have given the definition of 140-odd communities.