Group 1: Haohan Depth - Haohan Convertible Bond (118052) is set to be listed on April 7, 2025 [1] - The company's subsidiary, Nanjing Youzhu Information Technology Co., Ltd., has established a "Low-altitude Airspace Safety Technology Innovation Joint Laboratory" in collaboration with China Telecom Design Institute, Nanjing University, and Jinling Institute of Technology [1] - The company's DPI technology and related cybersecurity solutions are designed to identify risks, recognize threats, block attacks, and protect data and privacy, effectively ensuring overall security in the Internet of Vehicles, including vehicle-side, roadside, cloud-side, and platform security [1] Group 2: Xingye Silver Tin - The recent research involved the progress of Yinman Phase II, the expansion of Yubang Mining, the injection arrangement of Budun Silver Mine, and the company's development strategy [1] - Yinman Phase II has received project approval and is in communication with the government for construction permits; Yubang Mining's 8.25 million ton expansion project is applying for construction permits [1] - The company focuses on silver and tin as core businesses while steadily integrating copper and gold resources; the Yubang Mining expansion project is expected to produce 450 tons of silver annually upon reaching full capacity [1] - The company has established a comprehensive safety management system, emphasizing safety funding investment and promoting mechanization, automation, informationization, and intelligence construction [1] - The mining areas of Yinman and Yubang show promising mineralization, with good exploration prospects for the Morocco project [1]