Intelligent control of temperature and water temperature. Shanghai Hongtarui J Hotel, located in Pudong New Area, Shanghai's emerging business district, is a wholly-owned subsidiary of Yunnan hongta group Co., Ltd. By means of intelligent temperature control, intelligent water temperature control, intelligent fire management, intelligent security management, intelligent communication management and intelligent office management, the Regent can achieve energy saving and top-level service at the same time. 2/KLOC-0 At the beginning of the 20th century, Shanghai Rui J Hotel opened in Pudong. Its luxurious environment and meticulous service made it quickly famous in China hotel industry and became one of the landmark buildings that stood proudly in Pudong at that time.