中贝通信：2025年第一季度净利润1881.68万元，同比下降59.49%

Group 1 - The core point of the article is that Zhongbei Communication (603220) reported a significant decline in both revenue and net profit for the first quarter of 2025 compared to the same period last year [1] Group 2 - The company's revenue for Q1 2025 was 549 million yuan, representing a year-on-year decrease of 24.67% [1] - The net profit for the same period was 18.82 million yuan, showing a year-on-year decline of 59.49% [1]