Group 1 - The company, Zhonghang Shangda High-Temperature Alloy Materials Co., Ltd., received a long-term supply confirmation letter from a leading overseas aerospace company, with a total procurement amount of approximately 100 million RMB for the period from 2026 to 2030 [1][2] - The confirmation letter reflects the client's recognition of the company's R&D capabilities, quality control, and production capacity, which is expected to positively impact the company's operational performance and enhance its brand influence in the international market [1] - On December 23, the company's stock closed at 34.0 RMB, with a slight increase of 0.15%, and a trading volume of 176,100 shares, resulting in a transaction amount of 608 million RMB [1] Group 2 - On December 23, there was a net inflow of 22.97 million RMB from main funds, indicating a high level of interest from major investors in the stock [2] - Retail investors experienced a net outflow of 21.85 million RMB, suggesting a divergence in investment sentiment between institutional and retail investors [1][2]
股市必读：上大股份（301522）12月23日主力资金净流入2297.43万元