晚间公告丨6月17日这些公告有看头

Group 1 - Guoxin Technology successfully tested its new quantum-resistant password card product CCUPHPQ01, which combines quantum-resistant algorithms with classical national encryption algorithms [3] - The product supports various national encryption algorithms such as SM1, SM2, SM3, SM4, and mainstream quantum-resistant algorithms like Kyber and Dilithium [3] - Guoxin Technology has sent samples to multiple clients, who are developing information security applications based on the new product [3] Group 2 - Huayang New Materials issued a risk warning regarding irrational speculation, clarifying that it does not possess rare earth permanent magnet attributes and its main business is precious metal recycling [4] - The company noted significant stock price fluctuations, with a cumulative increase that deviated from the industry average, indicating potential irrational market behavior [4] - Huayang New Materials faces rising raw material procurement costs due to increasing precious metal prices [4] Group 3 - Guodian Nanrui elected Zheng Zongqiang as the chairman of its ninth board of directors [5] - Daqin Railway appointed Zhang Hongyi as the new general manager following the retirement of the previous general manager [6] Group 4 - Jingyi Equipment expects a year-on-year revenue increase of 36.54% to 42.48%, projecting revenue between 690 million to 720 million yuan for the first half of 2025 [8] Group 5 - Enhua Pharmaceutical's chairman, Sun Pengsheng, increased his stake by purchasing 237,900 shares of the company [10] - Yunlu Co., Ltd. announced that its directors and senior management plan to collectively increase their holdings by 4 million to 12 million yuan [11][12] Group 6 - Guoda Special Materials' chairman proposed a share buyback plan with a total amount between 200 million to 400 million yuan [14] Group 7 - Zhongchao Holdings' subsidiaries won multiple power cable projects with a total bid amount of 1.061 billion yuan, representing 19.29% of the company's audited revenue for 2024 [16]