Are both  Panzhou and Tianchang in China?
Tianchang Tianchang is a Sub-prefecture-level city on the Yangtze River, 290 km northwest of Shanghai, it's a part of Yangtze River Delta Economic Zone. It is under the administration of Chuzhou, Anhui Province, China.
Xiaoshan District Xiaoshan is a borough or district of the city of Hangzhou, which serves as the seat of the province of Zhejiang in southeastern China. Xiaoshan was formerly a city in its own right, separated by the Qiantang River from Hangzhou proper, but the municipality was annexed by its more populous neighbor in 2001.