Student Hall Trusteeship Class and Jiashidong Trusteeship Class. According to the Baidu map,

1. The Student Hall Trusteeship Class is located in Hengji Community, Guangrao Branch Road, Shibei District, Qingdao.

2. Jiashidong Trusteeship Class is located on the 2nd floor of the Inner Committee of Shandong Acoustics Society, No.8 Shangqing Road, Ningxia Road Street, Shibei District, Qingdao, Shandong Province.