Why doesn't Anshun imperial concubine recruit people?

The reason why the imperial concubine in Anshun city doesn't recruit people is that the imperial concubine in Anshun city is a school recruit, so going to the school directly to sign a contract will not recruit people in society. Guifei, whose full name is AVIC Guifei Aircraft Co., Ltd., is a large-scale state-owned enterprise engaged in aircraft design, parts manufacturing, assembly, flight test and civilian product development and production, which was jointly established by many enterprises in Anshun, a subsidiary of aviation industry corporation of china.