According to the Company Law, Securities Law and other relevant laws and regulations, the internal transaction of a group company refers to the trading activities between the group company and its subsidiaries. Generally, it includes equity transfer, that is, the sale of equity within the group company; Asset transfer, that is, the sale of assets within the group company; Debt transfer, that is, debt transfer within the group company; Related party borrowing, that is, borrowing activities between related parties within the group company; Related party guarantee refers to the guarantee between related parties within the group company. These transactions need to comply with the provisions of fair, just and open laws and regulations, and need to be reviewed and approved by the board of directors or shareholders' meeting of the group company.