Core Viewpoint - The successful approval of Angrui Micro on the Sci-Tech Innovation Board signifies a major and profound impact on the domestic RF front-end industry, setting a high bar for future IPOs in this sector [4]. Group 1: Company Overview - Angrui Micro has established itself as a leading company in the low-power Bluetooth chip sector, evolving from its initial focus on 2G CMOS PA to 5G L-PAMiD technology [4]. - The company has achieved significant sales scale, with annual sales exceeding 2 billion RMB [4]. Group 2: Industry Implications - The approval of Angrui Micro's IPO indicates that the threshold for future RF PA companies seeking to list on the Sci-Tech Innovation Board will be higher, making it more challenging for new entrants [4][6]. - The current landscape includes six companies in the RF PA sector, including Angrui Micro, which will lead to overlapping products but with distinct focuses [6]. - The future profitability of these companies will depend on their technology, products, and quality customer base [6].