6 1 1 which department is better?

6 1 1 the electromechanical system research department of the institute is good. Because 6 1 1 is a research institute under China Aerospace Science and Industry Corporation, it is mainly engaged in the research of spacecraft overall design, system engineering, space environmental effects, space science and application. Among them, the electromechanical system research department has higher salary and better welfare than other departments.