The company is located in Beijing Electronic City, the Beijing-controlled company, a wholly-owned subsidiary of state-owned enterprises, formerly state-owned Beijing Electric Cable Plant (Diqisanba state-owned factory), was established in 1957, the country is "on January 5" plan period 156 One of the key projects. In 1997, and Beijing plating plant on the basis of the merger, the state-owned Beijing Electric Cable Plant as the main formation of a peacekeeping Beijing Katherine Electronics (Group) Limited Liability Company. 2000, Katherine Victoria formally entered the Beijing Tianlong Group Co., Ltd., through reorganization, the same year, "Beijing Tianlong" changed its name to "trillion-dimensional technology", the successful implementation of the "backdoor listing." During the 11th Five-Year Plan positioning the company: "electronic and information industry fields, a self-serving and related electronic equipment manufacturing-based professional group, mainly operating from service, security, communications equipment, while related industrial / commercial real estate business . "