1. Introduction: ECHARM HOTEL (flagship store of Baiyun park subway station, Sanyuanli Avenue, Guangzhou) is the main high-end chain brand of Dongcheng group. It is located in Sanyuanli Avenue, Baiyun District, Guangzhou, 1.2km away from Baiyun park subway station, 5 minutes on foot, 1.9km away from...