Guangzhou Southern Architectural Design and Research Institute is a first-class design institute, but Beijing Branch is contracted and only pays management fees to the General Institute. It has no affiliation and is not a state-owned enterprise. As for the treatment, it is generally the basic salary plus commission. The commission is directly related to the workload you participate in. This requires an interview, depending on your work, work experience and negotiation experience. Now the design work is whether state-owned enterprises or private enterprises. Almost, and they are all formal. Generally, there are many contractors who can rely on big design institutes, so don't worry. Good luck.