Cannot exceed 2:1.

If there are proportional restrictions on borrowing from non-financial enterprises, the debt-to-equity ratio shall not exceed 2:1;

According to the Third Regulation of the "Regulations on the Implementation of the Enterprise Income Tax Law of the People's Republic of China" Article 18 stipulates that pre-tax deductions will be allowed for interest payments incurred by non-financial enterprises on borrowings from non-financial enterprises that do not exceed the amount calculated based on the interest rate of similar loans to financial enterprises for the same period.