Tsinghua Tongfang Co., Ltd. operates as an information and security company. The company operates in three segments: Digital Information, Civil Nuclear Technology, and Energy Conservation and Environmental Protection. The company offers products and services, such as computers, televisions, E-books, consumer electronic equipment, CNKI knowledge data products, security and security equipment, military equipment, urban energy conservation, industrial energy conservation, big data, cloud computing software and hardware, lightening and other products or services. Tsinghua Tongfang Co., Ltd. was founded in 1997 and is based in Beijing, China.