In view of the fact that 300957.SZ the company has initiated the issuance of overseas listed foreign shares (H shares) and applied for listing on the main board of the Hong Kong Stock Exchange, considering that PricewaterhouseCoopers has rich financial audit experience in the issuance and listing of H shares, after comprehensive consideration and careful evaluation, the company's board of directors decided to hire PricewaterhouseCoopers as the audit agency for the issuance and listing of this offering.