Group 1: Yinlong Co., Ltd. - Yinlong Co., Ltd. has a broad production base in the prestressed materials and concrete products for rail transit industry, adhering to market proximity and regional radiation principles [1] - The company is involved in multiple high-speed rail projects, such as the Xiong'an New Area to Shangqiu high-speed rail, ensuring production schedules align with project milestones [1] - The company is optimistic about future performance, with the PCCP industry expected to maintain a compound annual growth rate of 6%-7% until 2030 [1] Group 2: Kangxi Communication - Kangxi Communication's operating conditions are strong in the first half of 2025, with orders sufficient to cover until the fourth quarter of 2025 [2] - The company benefits from the increasing demand for Wi-Fi 7 products, with significant revenue growth driven by strong demand in industrial IoT products and high-efficiency drone products [2] - The 337 investigation is set to officially commence in July 2025, with an initial ruling expected by the end of the year [2] - The Wi-Fi 8 technology standard is anticipated to be established by the end of 2027, with product samples expected to be launched in 2026 [2]