Which is higher, the second-level security or the third-level security of Poly Property?

Level two. According to the National Vocational Skills Standard for Security Guards (Version 20 19) jointly issued by the Ministry of Public Security and Ministry of Human Resources and Social Security, security guards are divided into five skill levels, which are divided from bottom to top: five junior workers (former junior security guards), four intermediate workers (former intermediate security guards), three senior workers (former senior security guards), two technicians (former security guards) and one senior technician (bottom to top).