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The negative spread of 10-year treasury bonds between China and the United States has expanded to more than 250BP, the largest since June 2002.Chongda Technology: Five measures are taken to deal with the challenges and opportunities of industry development. Chongda Technology (002815) said in the online collective reception day of investors on December 12 that the company's measures to deal with the challenges and opportunities of industry development include: optimizing product structure, continuing to promote the optimization and upgrading of product structure, increasing R&D investment and market expansion in the field of high-end PCB boards, and accelerating the introduction of high-value customers and orders; Improve production efficiency and cost control; Accelerate the pace of capacity expansion, and promote the speed of capacity improvement of Dalian Plant, Zhuhai No.1 Plant and Zhuhai No.2 Plant in an orderly manner; According to market demand, adjust product price strategy in real time to improve profitability; Accelerate the construction of production base in Thailand, actively participate in international competition and cooperation, and enhance the company's visibility and influence in the global PCB market.Shanxi Securities: Sora officially launched the AI video generation tool, which continued to iterate. Shanxi Securities Research Report pointed out that 1) On December 10th, OpenAI officially launched Sora. Compared with the version released by OpenAI in February, the new Sora launched this time added Storyboard, Remix, Re-cut and other functions, which greatly improved the video re-creation ability and optimized the video generation speed and generation method. 2) Since the beginning of this year, domestic enterprises have begun to accelerate the research and development and iteration of AI video generation products, and the product capabilities have been continuously improved and the application scenarios have been continuously broadened. Sora was officially launched, and the video creation ability was significantly improved, and it began to change from a creative tool to a productivity tool. With the continuous iteration of AI video generation tools represented by Sora, its penetration into various application scenarios is expected to accelerate in the future. On the one hand, the application layer suggests focusing on creative, design, education and other multi-modal fields, especially video generation. On the other hand, the demand for computing power in video generation model is significantly higher than that in text, focusing on AI computing power related targets.

Treasury bond futures opened, with 30-year main contracts rising by 0.48%, 10-year main contracts rising by 0.36%, 5-year main contracts rising by 0.25% and 2-year main contracts rising by 0.05%.The CSI convertible bond index opened lower by 0.03%. Lide convertible bonds rose by more than 7%, and Weipai convertible bonds rose by more than 4%; Z-mode convertible bonds fell by nearly 3%, while Fuxin convertible bonds and Yinxin convertible bonds fell by nearly 2%.Southern Power Grid: In November, the installed capacity of industrial and commercial distributed photovoltaic projects was newly put into operation, with more than 500 MW. Southern Power Grid (003035) said at the institutional investor strategy meeting on December 12 that in 2024, the company will continue to give full play to the advantages of distributed photovoltaic energy-saving track, focusing on key industries with good industry prospects, strong sustainable operation ability and large electricity consumption, and increase development efforts. According to preliminary statistics, from January to November 2024, the installed capacity of industrial and commercial distributed photovoltaic projects was newly put into operation with more than 500 MW.

Visionox: Chengdu Chenxian Micro-LED production line has entered the sprint stage of mass production and shipment. Visionox (002387) said on the interactive platform on December 13th that the first TFT-based Micro-LED production line in Chengdu Chenxian, a shareholding company, completed the equipment moving in in September this year and is now entering the sprint stage of mass production and shipment.The negative spread of 10-year treasury bonds between China and the United States has expanded to more than 250BP, the largest since June 2002.Shenzhen started the construction of the first batch of "AI+" medical equipment professional parks. At the 2024 Shenzhen International High Performance Medical Equipment Exhibition and Innovative Medicine Exhibition held on December 12, a number of breakthrough cutting-edge technological achievements and innovative products were unveiled, and more than 200 famous medical equipment enterprises, scientific research institutions and medical institutions from home and abroad gathered to discuss cutting-edge technologies, explore innovative paths of medical equipment and help the high-quality development of the industry. In order to further seize the opportunity of artificial intelligence medical development, accelerate the digital transformation of Shenzhen's biomedical industry, gather a number of characteristic "AI+" medical equipment enterprises, and incubate a number of innovative medical equipment projects, Shenzhen started to build "AI+" medical equipment professional parks in key areas of industrial development. At this exhibition, the construction of the first batch of Shenzhen "AI+" pharmaceutical machinery professional parks, such as Baolong Biomedical Innovation and Development Pilot Zone, Nanshan Zhicheng, Hetao AI+ Biological Professional Park and Yinxing Science and Technology Park, was officially launched. Next, Shenzhen will vigorously improve the development and incubation of new quality productivity in the field of medical equipment, work together to shape the deep integration ecological pattern of "artificial intelligence+medical equipment", and accelerate the development and growth of "AI+" medical equipment industry.