Group 1 - The stock price of Puyuan Precision Electric closed at 37.45 yuan on August 27, 2025, down 1.37 yuan or 3.53% from the previous trading day [1] - The company operates in the instrumentation industry, focusing on products such as digital oscilloscopes, RF instruments, waveform generators, power supplies, and electronic loads, which are widely used in electronic manufacturing, communications, and renewable energy sectors [1] - For the first half of 2025, the company reported a revenue of 355 million yuan, representing a year-on-year increase of 15.57%, and a net profit attributable to shareholders of 16.22 million yuan, up 112.10% year-on-year [1] Group 2 - Sales revenue from high-end products increased by 42.29% year-on-year, while the revenue from solution services grew by 44.12% year-on-year [1] - On August 27, the net outflow of main funds was 14.98 million yuan, with a total net outflow of 73.34 million yuan over the past five days [1]