According to relevant public information, Zhongshan-Mason Nianda Health is a professional physical examination institution with the qualification of Health Bureau, which is formal.

Zhongshan, known as Xiangshan in ancient times, is the hometown of Dr. Sun Yat-sen, a prefecture-level city under the jurisdiction of Guangdong Province, and a second-class big city. Located in the lower reaches of Xijiang River and Beijiang River in the south-central part of the Pearl River Delta, it is connected to Nansha District of Guangzhou and Shunde District of Foshan in the north.