Beijing Greatsoft Corp. Ltd. founded in 2004, is an advanced technology corporation which focuses on professional research, development, production and distribution of computer security products. The corporation is a leading service provider in information security area, whose business involves security products, such as virus-clean software, firewalls, data recovery, vulnerability -scanning and intrusion-detection .

Beijing Greatsoft Corp. Ltd. is one of a few security technology corporation who has its own copyright. Under the charge of Liu Jie, the senior professor in anti-virus field, the corporation has developed a series of information security products of virus-clean and firewall. All the products coming into the market have passed the strict inspection and authentication of Public Information Network Security Supervisor Bureau, Chinese National Public Security Ministry. What's more, Guanghua Virus-clean Software has been successfully passed all the standard testing and won the “Designed for Windows XP” certification awarded by Microsoft. At the same time, Beijing Greatsoft Corp. Ltd. also becomes one of Microsoft Gold Certified Partner, the only outstanding corporation in domestic information security industry which gained the qualification.

In order to enhance the research on antivirus technology, Beijing Greatsoft Corp. Ltd. associated with State Computer Virus Emergency Management Center of Public Security Ministry established Wireless Security Lab in 2005.