According to the articles of association, each family may be different, so you can look for it.
3. Both the Company Law and the Articles of Association have a statement similar to "If the term of office expires and cannot be reelected in time, the original board members will continue to perform their duties until a new board member is re-elected". Therefore, the term of office of the board of directors can be seen as follows: theoretically, it does not exceed three years. In fact, if the enterprise always does not re-elect, it does not violate any hard and fast rules, except that it looks strange.