Core Insights - The company reported a total revenue of 800 million yuan for 2024, representing a year-on-year increase of 5.7% [1] - The net profit attributable to shareholders for 2024 was 230 million yuan, up 20.8% year-on-year, while the net profit excluding non-recurring items was 190 million yuan, reflecting a 41.7% increase [1] Revenue Breakdown - In 2024, the revenue from testing services was 738 million yuan, a year-on-year increase of 5.4%, while revenue from technical research and consulting was 35 million yuan, up 14.98% [2] - Domestic revenue for 2024 was 765 million yuan, increasing by 5.09% year-on-year, whereas overseas revenue, including Hong Kong, Macau, and Taiwan, was 9 million yuan, showing a significant increase of 153.8% [2] Profitability Metrics - The overall gross margin for 2024 was 52.72%, with a quarterly gross margin of 55.41% in Q4 2024 [3] - The gross margin for testing services was 54.74%, up 4.63 percentage points year-on-year, while the gross margin for technical research and consulting was 39.39%, an increase of 8.51 percentage points [3] - The gross margin for domestic operations was 53.85%, up 4.55 percentage points, and for overseas operations, it was 71.45%, reflecting a substantial increase of 19.75 percentage points [3] Cost and Expenses - The total expense ratio for 2024 was 23.90%, an increase of 1.60 percentage points year-on-year, with the sales expense ratio at 2.37%, management expense ratio at 11.79%, R&D expense ratio at 10.62%, and financial expense ratio at -0.88% [3] - In Q1 2025, the total expense ratio was 21.74%, up 1.31 percentage points year-on-year [3] Cash Flow and Financial Health - The contract liabilities at the end of Q1 2025 reached 315 million yuan, a year-on-year increase of 58.1% and a quarter-on-quarter increase of 11.7% [4] - The asset-liability ratio at the end of Q1 2025 was 18.17%, up 5.53 percentage points year-on-year [4] - The operating net cash flow for 2024 was 482 million yuan, a year-on-year increase of 54.3%, with Q4 2024 showing a significant increase of 117.5% [4] - In Q1 2025, the operating net cash flow was 132 million yuan, reflecting a year-on-year increase of 14.3% [5] Strategic Developments - The company completed the acquisition of Henan High Voltage Electrical Research Institute in 2024, enhancing its competitiveness and market share [5] - The company aims to consolidate its leading position in the domestic high-voltage electrical sector while actively expanding into emerging application areas and strengthening international collaborations [5] - The projected net profit attributable to shareholders for 2025 is expected to reach 283 million yuan, corresponding to a PE ratio of approximately 18 times [5]