Group 1 - The article emphasizes the importance of timely and professional information interpretation in investment decision-making [1] - It highlights the focus on uncovering investment value from significant events, analyzing industry chain companies, and interpreting key policies [1] - The company is involved in commercial aerospace and PCB, participating deeply in space computing constellation technology development and undertaking satellite on-orbit testing and demand demonstration projects [1] Group 2 - The company has completed the prototype development of satellite direct connection to mobile phones, indicating advancements in high-end PCB products [1] - The target users for the company's high-end PCB products include aerospace, marine, and other specialized equipment [1]