Legal analysis: the number of supervisors of a joint stock limited company must be three, but for a relatively small company, one or two supervisors can be set up instead of the board of supervisors; At the same time, the board of supervisors includes an appropriate proportion of shareholder representatives and employee representatives, and the proportion of employee representatives shall not be less than one third.
Legal basis: Article 95 1 of the Civil Code of People's Republic of China (PRC) establishes a board of supervisors with no less than three members. A limited liability company with fewer shareholders or smaller scale may have one or two supervisors instead of a board of supervisors.