Liukou Road, Yangliuqing, Xiqing District, Tianjin. Baidu map information shows that the specific address of Tan, an old Chinese doctor of Yangliuqing skin, is at Liukou Road, Yangliuqing, Xiqing District, Tianjin. Tianjin, also known as Jingu and Jinmen, is a provincial administrative region, municipality directly under the Central Government and a national central city in People's Republic of China (PRC).