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The first-phase factory construction project of Aidi Precision (Thailand) started. According to Aidi Precision, in order to better lay out the global market, on December 12, Aidi Precision's first overseas manufacturing factory, Aidi Precision (Thailand), officially started construction. The construction project of Aidi Precision (Thailand) Factory, with a total investment of 35 million US dollars, covers an area of 122 mu and a workshop area of about 60,000 square meters. It will be engaged in the production, manufacture and sales of high-end hydraulic components and hydraulic fittings for construction machinery. The first phase of the project is scheduled to be completed and put into operation in October 2025.The Nikkei 225 index fell to 1%.List of stock repurchases of Hong Kong stocks: 43 stocks were repurchased by the company. On December 12, a total of 43 Hong Kong stocks were repurchased by the company, and the repurchase amount of 8 stocks exceeded HK$ 10 million. Among them, Tencent Holdings, AIA and Samsonite have the largest repurchase amounts, with the company repurchasing HK$ 704 million, HK$ 61,711,300 and HK$ 34,247,500 respectively. As of December 12, 274 Hong Kong stocks have been repurchased by the company this year, and the cumulative repurchase amount of 62 stocks during the year exceeded HK$ 100 million. Among them, Tencent Holdings, HSBC Holdings and AIA have the largest cumulative repurchase amount during the year, with the company repurchasing HK$ 104.602 billion, HK$ 40.706 billion and HK$ 31.059 billion respectively.

The financing balance of the two cities increased by 6.856 billion yuan. As of December 12, the financing balance of the Shanghai Stock Exchange was 961.758 billion yuan, an increase of 2.592 billion yuan over the previous trading day. The financing balance of Shenzhen Stock Exchange was reported at 916.865 billion yuan, an increase of 4.264 billion yuan over the previous trading day; The two cities totaled 1,878.623 billion yuan, an increase of 6.856 billion yuan over the previous trading day.Japan's Topix index fell to 1%.Hongrun Construction established a commercial management company in Wuxi. According to the enterprise search APP, Wuxi Hongrun Commercial Management Co., Ltd. was recently established. The legal representative is Jin Zhenjun, with a registered capital of 1 million yuan. Its business scope includes: commercial complex management services; Property management; Real estate broker, etc. Enterprise investigation shows that the company is wholly owned by Hongrun Construction.

The three major stock indexes all fell more than 1%, the Shanghai Composite Index fell 1%, the Shenzhen Composite Index fell 1.28%, the Growth Enterprise Market Index fell 1.49%, and more than 4,100 stocks in the whole market fell.The 30-year Treasury ETF rose sharply at the opening, hitting a record high. Both "Boshi SSE 30-year Treasury ETF" and "Pengyang China Bond -30-year Treasury ETF" rose by 0.65%.Guosheng Securities: AEC heavy-duty computing industry chain has entered the era of Lian Heng. Guosheng Securities Research Report pointed out that AEC(Active Electrical Cable) is an active cable interconnection scheme, which is mainly used in short-distance high-speed data transmission scenarios in data centers. 1)AEC is expected to become the first step for optical module manufacturers to penetrate downwards. Optical modules need to master photoelectric conversion and high-speed data communication, and DAC/AEC/AOC products have relatively mature technical requirements compared with single-mode/multimode optical module products with longer transmission distance. 2) Copper interconnection is widely used by large CSP not only in NVIDIA. NVIDIA used a large number of high-density copper interconnects in B series products, which made the industry re-recognize the reliability and price advantage of copper interconnects in short-distance scenes. 3) In the era of Lian Heng, domestic manufacturers still have obvious advantages. Chip manufacturers, represented by NVIDIA, have been hoping to conduct a comprehensive industry consolidation and provide customers with a complete set of solutions. What CSP manufacturers want more is the decoupling of the industrial chain, and every link such as GPU, copper connection, optical module and switch can find corresponding suppliers. The heavy volume of AEC and the rise of CSP manufacturer's independent scheme indicate that the computing power industry chain has entered the era of Lian Heng, and we are firmly optimistic about the domestic related computing power industry chain.