Engel: Sign a tripartite supervision agreement with the fund-raising special account, underwriter and bank.

Yingkerui announced that the company has recently signed tripartite supervision agreements with the sponsor institutions Guotai Haitong and the account opening bank for the existing and newly raised funds. Prior to this, the board of directors agreed to use up to 33 million yuan of idle raised funds to temporarily supplement working capital. The actual net amount raised from the company's initial public offering of shares is 385 million yuan. Currently, the balance in the Ningbo Bank account is 3.882 million yuan, which will be used for the research and development center project; and the balance in the Everbright Bank account is 30 million yuan, which will be used to supplement working capital.