2 1 Shi Ji Jing Ji Bao Dao·2025-05-21 14:47Group 1 - Wangzi New Materials (002735.SZ) announced that its subsidiary, Ningbo Xinrong Electric Technology Co., Ltd., provides energy storage capacitors, which account for less than 3% of the company's total revenue for 2024, indicating no significant impact on performance in the short term [1] - Wangzi New Materials' controlling shareholder, Wang Jinjun, sold 1.11 million shares, representing 0.29% of the total share capital, as part of a planned reduction of up to 11.46 million shares, or approximately 3% of total share capital [1] - The stock price of Wangzi New Materials has doubled since its recent low of 7.51 CNY per share on April 9, with a closing price of 15.67 CNY per share today, reflecting a 2.69% increase [1] Group 2 - Langsha Co., Ltd. (600137.SH) issued a risk warning, stating that its fundamentals have not changed and its valuation is significantly higher than the industry average, indicating potential speculative risks [2] - The controlling shareholder of Langsha, Langsha Holdings Group Co., Ltd., has a high pledge ratio, with 63.28% of its shares (27 million out of 42.66 million shares) pledged [2] - Langsha also reported that its shareholder, Tibet Jiulang Technology Co., Ltd., sold 972,200 shares for 2.1855 million CNY, reducing its holding to 15.84% [4]