① Newtag: On May 21, for the first time, the company repurchased 157,600 shares of the company's shares through a special securities account for share repurchase through centralized bidding transactions, accounting for 0.14% of the company's current total share capital, with a transaction amount of 3,539,800 yuan (excluding transaction fees). ② Chunxing Precision: We recently learned that Sun Jiexiao, the controlling shareholder of the company, has lifted the judicial freeze on the remaining 15.535 million shares frozen by Beijing Second Intermediate Court due to a contract dispute with Weihong Fund Management (Beijing) Co., Ltd. ③ Double Gun Technology: The board of directors agreed to extend the repurchase implementation period for 6 months, from May 21 to November 21. ④ Huaren Pharmaceutical: The salbutamol sulfate injection from Anhui Hengxing Pharmaceutical, a wholly-owned subsidiary, has obtained a drug registration certificate and is treated as if it has passed the consistency evaluation. Salbutamol sulfate injection is suitable for treating respiratory diseases accompanied by bronchospasm, such as bronchial asthma or asthmatic bronchitis. It is a Class B type of national medical insurance.