How about Harbin An Tian Science and Technology?

It's good. An Tian is an important supplier of equipment-level anti-virus engine technology in the world. It also has a complete core technology and product system in the fields of network virus monitoring, host security protection and evaluation, and mobile security. , and has provided full-process solutions for virus epidemic capture, analysis, back-end processing and private cloud customization for aerospace, finance, electric power, telecommunications and other industries, and has undertaken national scientific research projects such as 863 and 242 for many times.

Established in 2000, An Tian Team is one of the largest information security R&D teams in China. Headquartered in Harbin, it has established R&D centers or emergency response stations in more than 10 cities such as Beijing, Han, Shanghai and Shenzhen.