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Industry: Concerns about the imbalance between supply and demand still exist, and there is limited room for alumina futures to continue to fall. Since the intraday record of 5,540 yuan/ton on December 5, the main contract price of domestic alumina futures has started to fluctuate and fall, reaching a minimum of 5,077 yuan/ton on December 12, with the cumulative maximum decline exceeding 8%. According to industry insiders, the increase of alumina registered delivery brands and the sharp drop in overseas alumina spot quotations have led to the recent decline in alumina futures prices. Although the short-term news in the market is intertwined, the imbalance between supply and demand in the alumina market has not fundamentally improved, so there is limited room for the subsequent decline of alumina futures prices. (CSI)The Central Meteorological Observatory continued to issue the gale blue warning at 06: 00 on December 13th. It is estimated that there will be 5 winds and gusts of 6-8 in parts of central and eastern Inner Mongolia, northwestern Shanxi, northern Hebei, central Henan and southwestern Shandong from 08: 00 on December 13th to 08: 00 on December 14th. Most of the Yellow Sea, most of the East China Sea, Taiwan Province Strait, east of Taiwan Province, bashi channel, northern and central South China Sea, and Beibu Gulf will have strong winds of 7-8 grades and gusts of 9 grades.The Ukrainian Foreign Minister once again asked the West to urgently provide 20 sets of air defense systems to Kiev. In the context of the attack on Ukrainian facilities, Ukrainian Foreign Minister Andrei Sibiga reminded the West that it is necessary to urgently provide 20 sets of air defense systems to Ukraine.

Shenzhen Yuejiang Technology Hong Kong IPO seeks to publicly issue 40 million shares, with an offering price range of HK$ 18.80-20.80 per share. It is expected that the stock will be priced on December 19th and trading will begin on December 23rd.Bezos' Amazon plans to donate $1 million to Trump's inauguration ceremony.Xie Feng, Ambassador of China to the United States: It is a great country's determination to adapt to changes, and it is China's wisdom to open a new situation in changes. According to the official of the Chinese Embassy in the United States, on December 11, 2024, u.s.-china business council held the 2024 annual celebration dinner in Washington. In his speech, Xie Feng said that China has always grasped the general trend of the world from a long historical period, maintained continuity and stability in its policy toward the United States, and it is the determination of a big country to respond to changes with constancy, and it is China's wisdom to create a new situation in a changing situation. Xie Feng pointed out that the goal of China's commitment to the stable, healthy and sustainable development of Sino-US relations has not changed, which is in line with the common interests of the two countries and the general expectations of the international community; The principle of handling Sino-US relations in accordance with mutual respect, peaceful coexistence and win-win cooperation has not changed, which is the fundamental way for China and the United States to get along correctly in the new era. The position of firmly safeguarding its sovereignty, security and development interests has not changed. This is a principle that China must defend and a red line that cannot be challenged. The desire to continue the traditional friendship between the Chinese and American people has not changed, and we are willing to continue to pave the way for cultural exchanges between the two countries. Xie Feng hopes that the US will move in the same direction as China, strengthen dialogue and communication, and refrain from shouting from a distance; Properly control differences and not engage in conflict and confrontation; Expand mutually beneficial cooperation and do not engage in decoupling and chain breaking; Carry out benign interaction, do not engage in zero-sum game, and strive to achieve a smooth transition and a good start in Sino-US relations.

Broadcom's share price rose more than 10% after the US market closed. In the news, Broadcom's fourth-quarter profit was better than expected, and the demand for artificial intelligence boosted growth.The dual platform of transaction detection has landed in Henan to cultivate the diamond industry to a higher level. Recently, the Zhengzhou International Trading Center for Cultivating Diamonds (to be established) and the Henan Laboratory of Jewelry National Inspection Group, which are jointly established by China Jewelry and Jade Jewelry Industry Association and Jewelry National Inspection Group, were officially unveiled in Zhengzhou Airport Area, marking a key step in cultivating the industrial layout of diamonds in Henan Province, which is of great significance for promoting regional economic development and industrial upgrading. "With unified and authoritative product standards, the market can establish a sound pricing mechanism and further promote the extension of the industrial chain." During the interview, people in the industry told the reporter of Company E that this time, the Jewelry National Inspection Group landed in Henan, which will further provide inspection services close to the place of origin, reduce the cost of cultivating diamonds and establish professional evaluation standards. At the same time, the trading center will also set up a platform to cultivate the diamond price trading index, standardize the market pricing system, and stabilize prices and market supply and demand. In the future, Zhengzhou Airport Port Area will also rely on the trading center to build and cultivate the downstream industrial chain layout of diamond processing, design and inlay in the area, and base on the advantages of the airport to maximize the value of the industrial chain.Seiko Technology: It has cooperated with a number of aerospace (low-altitude) enterprises. Seiko Technology (002006) recently said in an institutional survey that the company has cooperated with aerospace (low-altitude) enterprises such as Yiweite, Jieyi Technology and Shenzhen Collaborative Innovation to expand the application of new carbon fiber composite materials and vigorously develop low-altitude economic industries. In the future, the company will continue to deepen, consolidate and iterate the advantages of independent innovation and intelligent manufacturing of carbon fiber equipment in the whole industrial chain, enter the production of carbon fiber composite products as soon as possible by improving the company's precision processing ability and cooperating with enterprises with mature technologies, and vigorously develop the aerospace economic industry, compete for new tracks and build new engines through the brand-new development model of "equipment leading, material collaboration and application support".