Group 1 - The core viewpoint of the article highlights the continuous price increase in the power investment sector due to supply-demand gaps in specific materials, with a particular company in the North Exchange maintaining a leading position in production expansion and efficiency, benefiting from industry price hikes and an increase in the proportion of high-value products [1] - The company has established a strong technological barrier in ultrasonic phased array technology, having penetrated the C919 and BYD battery supply chains, and has accumulated high-quality customer resources in aerospace, nuclear power, and rail transit sectors [1]