five stars. Yinhe Yun Rui Hotel is another newly-built star hotel invested by China Academy of Engineering Physics in southwest China, and it is a five-star hotel under Jiulong Tourism Company of Sichuan Jiulong Group. The conference center is a state-owned enterprise, located at No.596, Section 7, Yinhe Road, Shuangliu County, Chengdu, and officially put into operation in early 2115.