同心传动：2025年上半年实现营业收入81663516.82元

Group 1 - The company Tongxin Transmission reported a revenue of 81,663,516.82 yuan for the first half of 2025 [2] - The net profit for the same period was 14,238,539.03 yuan [2] - The company's business model has not changed during the reporting period and remains unchanged up to the date of the announcement [2]