Qin Lei. The former mayor of Laicheng District of Laiwu City was Qin Lei. Ma, secretary of Laicheng District Committee of Laiwu City, served as secretary of Laiwu District Committee of Jinan City; Qin Lei and the State Council, the former heads of Laicheng District of Laiwu City, approved the revocation of the prefecture-level Laiwu City, transferred the jurisdiction to Jinan City, set up Laiwu District of Jinan City as the administrative area of Laicheng District of Laiwu City, and set up Gangcheng District of Jinan City.