Ultrasonic Electronics (000823.SZ): The company has not produced M8 and M9 copper-clad laminates and does not supply any products to NVIDIA.

China Securities Journal APP News, Super Electronics (000823.SZ) released a stock price abnormality announcement stating that the company's subsidiary copper clad laminate company is not currently producing M8 and M9 copper clad laminates. At present, M7/M8 high-speed copper clad laminates are in the research and testing stage; the company's 800G and 1.6T optical module PCBs are being researched and followed up. The progress of the above research and development projects, customer certification, and mass production are uncertain, and scale supply has not yet been achieved. As of now, the aforementioned products have not generated corresponding revenue.