Shareholders' personal equity can be mortgaged in the bank. However, if a company invests in other enterprises or provides guarantees for others, it shall be decided by the board of directors or shareholders' meeting in accordance with the provisions of the articles of association; Where the articles of association stipulate limits on the total amount of investment or guarantee and the amount of individual investment or guarantee, it shall not exceed the prescribed limits. Where a company provides a guarantee for the company's shareholders or actual controllers, it must be resolved by the shareholders' meeting or the shareholders' meeting.