Helen Garden, No. 9, Nantan Road, Tanzhou Town, Zhongshan City. According to Baidu Map query, Chengzhong Grain and Oil Wholesale Department, Tanzhou Town, Zhongshan City was established in 2009. Its address is Helen Garden, No. 9, Nantan Road, Tanzhou Town, Zhongshan City. It mainly engages in the wholesale of rice, pre-packaged food, etc., Zhongshan City, Known in ancient times as "Xiangshan", it is a prefecture-level city in Guangdong Province, the Republic of China. It is located in the south-central part of Guangdong Province, south of the central part of the Pearl River Delta, where the lower reaches of the Xijiang River and Beijiang River exit the sea.