Qingping machinery treatment, state-owned enterprises can only go out but can't enter?

Five insurances and one gold, paid annual leave, etc. According to official website's information, Chongqing Qingping Machinery Co., Ltd., a state-owned enterprise, has excellent employee benefits, including five insurances and one gold, paid annual leave, holiday benefits, employee travel and regular physical examination. The employment situation of employees is determined according to their work situation. If an employee leaves, the company will recruit new employees to replace him, not just unable to get out.