Group 1 - The core point of the article is that Tongding Interconnection (SZ 002491) announced the release and pledge of shares by its controlling shareholder, Tongding Group, with no change in the pledge ratio compared to previous disclosures [1] - As of the announcement date, Tongding Group has pledged approximately 355 million shares, accounting for 91.68% of its total holdings [1] - For the first half of 2025, Tongding Interconnection's revenue composition is as follows: 81.22% from the communication cable and related manufacturing industry, 9.24% from the communication equipment and related manufacturing industry, 7.91% from software and information technology services, and 1.64% from other businesses [1] - The current market capitalization of Tongding Interconnection is 6.9 billion yuan [1]

Group 1 - The core revenue composition of Tongding Interconnection for the year 2024 is as follows: 84.9% from communication cables and related manufacturing, 9.82% from communication equipment and related manufacturing, 4.12% from software and information technology services, 1.08% from other businesses, and 0.07% from the new energy sector [1] Group 2 - Dongwu Venture Capital Co., Ltd., a shareholder holding approximately 86.96 million shares (7.07% of total share capital) of Tongding Interconnection, plans to reduce its holdings by up to 25.59 million shares (not exceeding 2.08% of total share capital) within three months after the announcement [3]