任城 Traditional form: 任城 Pinyin (reading): Rènchéng Definitions: Rencheng district of Jining city 濟寧市/济宁市, Shandong Characters: 任 - to trust, to rely on; to appoint; to bear; duty, office 城 - castle, city, town; municipality Traditional characters: 任 - to trust, to rely on; to appoint; to bear; duty, office 城 - castle, city, town; municipality