Xinhua News Agency, June 5, a number of companies issued lunchtime announcements, as follows: ① Reina Intelligence: the company invests 80 million yuan to set up a wholly owned subsidiary Hefei Gaona Science and Technology Co., Ltd. ② Hualan shares: the company previously disclosed the proposed 100 million-200 million yuan to buy back shares, as of May 31, 2023, the company has not yet repurchased shares. ③ Tianyou de Liquor: the share reduction plan of the controlling shareholder Tianyou de Group has been completed. Tianyou de Group has reduced 1.81 million shares of the company through centralized bidding transactions, accounting for 0.38% of the total share capital of the company. ④ Cape testing: the company's deputy general manager Song Xia's reduction plan expires and does not reduce the company's shares during the period.