Group 1 - The core point of the article is that Dingxin Communication's major shareholder, Wang Jianhua, has released a significant portion of his frozen shares, which may impact the company's stock performance and investor sentiment [1] - As of the announcement date, Wang Jianhua holds 91,574,884 shares, representing 14.04% of the total share capital of the company [1] - The number of shares released from freezing is 46,132,372, which accounts for 50.38% of his total holdings and 7.07% of the company's total share capital [1] Group 2 - For the fiscal year 2024, Dingxin Communication's revenue composition is as follows: Power electronics account for 77.21%, fire electronics for 15.81%, other businesses for 4.54%, and labor services for 2.44% [1] - The current market capitalization of Dingxin Communication is 4.4 billion yuan [1]