What are the three levels that Guilin Rhine creatures need to go through?

The subject wants to ask, "Which three societies should Guilin Rheinland Organism set up?"? Shareholders' meeting, board of directors and board of supervisors. According to the inquiry of China Travel Service. Guilin Rheinland Bio needs to establish a shareholders' meeting, a board of directors and a board of supervisors. According to the requirements of establishing a modern enterprise system, it is necessary to establish a corporate governance structure of "three meetings and one floor" for shareholders' meeting, board of directors, board of supervisors and management, and at the same time formulate rules of procedure. The "three meetings and one floor" have their own duties and responsibilities.