索通发展：10月30日召开董事会会议

Group 1 - The core point of the article is that Su Tong Development (SH 603612) held its 23rd meeting of the 5th Board of Directors on October 30, 2025, to discuss external investment and the signing of a joint venture agreement [1] - For the first half of 2025, the revenue composition of Su Tong Development was as follows: the anode segment accounted for 95.62%, the cathode segment accounted for 4.02%, and the capacitor segment accounted for 0.99%, with inter-segment eliminations at -0.63% [1] - As of the report date, the market capitalization of Su Tong Development was 12.9 billion yuan [1]