Ping An Host Security
It is sold in units of 30 days and is divided into basic, professional, enterprise, and super. All servers are the same version during usage, which means multiple versions cannot be used at the same time.
The purchase is a warrant which allow servers using security testing. Assuming that purchase a professional version with 30 days, and 10 resources, 10 agents are allowed to be installed on 10 servers for security testing. A total of 10 * 57.9 = 579 yuan is required . If you upgrade, the 10 licenses are upgraded together.