Tongcheng Information Network website was opened in July, 20 10, and it is a comprehensive portal of urban substations. Created by Dongguan Sweet Orange Network Co., Ltd., it is the same city information portal under the company. The largest, most comprehensive and timely free information platform for supply and demand in urban sub-stations provides general information, tourism and information of major cities in China, and provides free information about various places and real-time interactive online communication platforms to help modern people living in fast-paced cities solve all aspects of problems encountered in their daily life and work, such as food, clothing, housing, entertainment, emotion, education and occupation.