1. The company or shareholders pledge their own shares.
2. The enterprise applies for bankruptcy.
3. Fairness is controversial.
4. In debt litigation, because other assets are not enough to repay debts, they can only be repaid by partial equity.
Legal basis: Article 2 of the Enterprise Bankruptcy Law of the People's Republic of China. If an enterprise as a legal person is unable to pay off its debts due, its assets are insufficient to pay off all its debts or it obviously lacks solvency, it shall clear up its debts in accordance with the provisions of this Law.
An enterprise as a legal person may be reorganized in accordance with the provisions of this law if it has the circumstances specified in the preceding paragraph or obviously loses its solvency.
Article 7 The debtor may apply to the people's court for reorganization, reconciliation or bankruptcy liquidation under the circumstances specified in Article 2 of this Law.
If the debtor is unable to pay off the debts due, the creditor may apply to the people's court for reorganization or bankruptcy liquidation of the debtor.
If an enterprise as a legal person has been dissolved but has not been liquidated or its assets are insufficient to pay off its debts, the person liable for liquidation according to law shall apply to the people's court for bankruptcy liquidation.