JINZHI TECHNOLOGY, from China's century-old university - Southeast University, was founded in 1995, headquartered in Nanjing Jiangning Economic and Technological Development Zone. 2006, JINZHI TECHNOLOGY was successfully listed on the Shenzhen Stock Exchange under the stock code 002090.

GUOZHI TECHNOLOGY, founded in 1996, is a pioneer in China's telecom operation and maintenance outsourcing market. Founded in 1996, GWT is one of the pioneers and industry standard-setters in China's telecom O&M outsourcing market. Since its inception, the company has focused on the positioning of the third-party telecommunications outsourcing service provider, dedicated to providing customers with standardized standards, across multiple equipment manufacturers, through multiple product lines of complete and rich communications service solutions, experienced the telecommunications operations and maintenance outsourcing market from the budding exploration period to the vigorous growth of the evolution of the course.

Three-dimensional communications Co., Ltd. was founded in May 1993, is a national key high-tech enterprises, the national enterprise technology center, the mainstream of the international mobile communications network construction providers and mobile Internet information integrated service providers, is committed to providing customers at home and abroad with professional wireless coverage, wireless security, wireless networks, industrial Internet of Things, communications facilities leasing, satellite communications, It is committed to providing customers at home and abroad with professional wireless coverage, wireless security, wireless network, industrial Internet of Things, communication facilities leasing, satellite communications, Internet content marketing business and other areas of products and operational services.