On February 22, 2023, the company announced that twelfth meeting of the fourth board of directors reviewed and revised the issuance plan and related proposals in accordance with the authorization of the general meeting of shareholders. The company has signed supplementary agreement with returning investor Yongyi Investment Co.,Ltd. in the transaction.

On March 1, 2023, the company announced that the Shanghai Stock Exchange reviewed and decided to accept the company?s private placement application.

On March 10, 2023, the company announced that the proposal on the company's compliance with the conditions for issuing A shares has been approved.

On April 4, 2023, The company announced that the transaction has been approved on Shanghai Stock Exchange.