Core Viewpoint - The company has developed targeted strategies to address inventory and order risks in response to price fluctuations in the storage industry [1] Group 1: Company Overview - The company’s wholly-owned subsidiary, Shenzhen Dawi Chuangxin Microelectronics Technology Co., Ltd., primarily produces NAND and DRAM storage products [1] Group 2: Strategic Response - The company plans to optimize its product structure through a product mix strategy and implement refined inventory management mechanisms [1] - The company aims to dynamically adjust inventory levels to align with market demand changes, thereby mitigating operational risks associated with price volatility [1]

证券日报网讯 1月9日，大为股份在互动平台回答投资者提问时表示，公司全资子公司深圳市大为创芯 微电子科技有限公司主要产品有NAND、DRAM存储两大系列，可广泛应用于个人电脑、车载、IDC、 工业控制、医疗、轨道交通、智能电子等领域。 （编辑 姚尧） ...

Group 1 - Samsung Electronics, the world's largest memory chip manufacturer, is expected to announce preliminary earnings for Q4 2025 on January 8, with a projected operating profit increase of 160% year-on-year due to severe chip shortages driving up memory chip prices [1] - Analysts predict Samsung will achieve an operating profit of 16.9 trillion KRW (approximately 11.7 billion USD) for the period from October to December, significantly higher than the 6.49 trillion KRW reported in the same period last year [1] - According to Guojin Securities, strong demand from AI is expected to drive memory chip prices higher, with contract prices projected to increase by 30% to 40% in Q1 2026, leading to substantial growth in the industry chain's performance [1] Group 2 - Wanrun Technology's semiconductor memory business is primarily conducted through its subsidiary, Wanrun Semiconductor, which plans to add DRAM business in 2024 to cultivate new growth points [2] - Dawi Co., Ltd. offers a range of semiconductor storage products, including NAND and DRAM, with its wholly-owned subsidiary Dawi Chuangxin producing various DRAM products such as DDR3, DDR4, LPDDR4X, LPDDR5, and DDR5 memory modules [2]

行 业 点 评 行情走势图 行 业 报 告 电子 行业点评 长鑫科技招股书披露，国产DRAM存储蓄势待发 强于大市( 维持) 相关研究报告 【平安证券】行业深度报告*电子*面板*强于大市 20230323 2023年03月23日 证券分析师 杨钟 投资咨询资格编号 S1060525080001 yangzhong035@pingan.com.cn 徐勇 投资咨询资格编号 S1060519090004 XUYONG318@pingan.com.cn 郭冠君 投资咨询资格编号 S1060524050003 GUOGUANJUN625@pingan.com.cn 陈福栋 投资咨询资格编号 S1060524100001 CHENFUDONG847@pingan.com.cn 徐碧云 投资咨询资格编号 S1060523070002 XUBIYUN372@pingan.com.cn 事项： 2025年12月30日晚间，上交所披露国产DRAM大厂长鑫科技科创板招股书。 平安观点： 证 券 研 究 报 告 强烈推荐 （预计6个月内，股价表现强于市场表现20%以上） 推 荐 （预计6个月内，股价表现强于市场表现10%至20%之 ...

证券日报网讯12月23日，大为股份（002213）在互动平台回答投资者提问时表示，公司主营业务为"半 导体存储+智能终端"和"新能源+汽车"两大业务。公司全资子公司深圳市大为创芯微电子科技有限公司 主要产品有NAND、DRAM存储两大系列，可广泛应用于个人电脑、车载、IDC、工业控制、医疗、轨 道交通、智能电子等领域。公司目前业务暂不涉及液冷、无人驾驶领域。 ...

格隆汇12月23日丨大为股份(002213.SZ)在投资者互动平台表示，公司主营业务为"半导体存储+智能终 端"和"新能源+汽车"两大业务。公司全资子公司深圳市大为创芯微电子科技有限公司（以下简称"大为 创芯"）主要产品有NAND、DRAM存储两大系列，可广泛应用于个人电脑、车载、IDC、工业控制、 医疗、轨道交通、智能电子等领域。 ...

Group 1: Semiconductor Storage Business - The semiconductor storage business contributed revenue of 794 million CNY in the first three quarters of 2025, a significant increase of 28.68% year-on-year, accounting for 90.33% of the company's total revenue [3] - The company is focusing on optimizing product structure and implementing refined inventory management to mitigate risks associated with price fluctuations in the storage industry [4] - The company is actively pursuing LPDDR5 certification and trial production to enhance its high-performance storage chip product offerings [9] Group 2: New Energy Business - The company has completed exploration and is in the process of obtaining mining rights for its lithium project in Hunan, with a mineral resource reserve of 20.9533 million tons of associated lithium-bearing feldspar [7] - The lithium mineral (Li2O) quantity is 32,370 tons with an average grade of 0.154%, which is crucial for supplying the company's lithium carbonate project [7] - The company is advancing its lithium battery project and aims to secure mining permits as soon as possible, with progress dependent on government approvals [6] Group 3: Future Planning and Performance - The company aims to enhance its market value and shareholder returns by focusing on dual business lines: "semiconductor storage + smart terminals" and "new energy + automotive" [8] - The company plans to increase overseas promotion of its automotive products and strengthen operational management and talent efficiency [9] - Investors are encouraged to monitor the company's regular reports for updates on performance and growth [8]

Group 1: Company Developments - Company specializes in PCB production, covering single-sided, double-sided, and multi-layer boards, including high-frequency and high-speed boards, primarily used in communication, industrial control, automotive electronics, and semiconductor packaging [3] - Company has initiated bulk orders for its overseas AI data center power supply projects, with expectations for Delta and other clients to start importing bulk orders in the fourth quarter [3] Group 2: Industry Trends - Potassium carbonate futures have surged past 100,000 yuan, with prices for electrolyte additives like VC rising significantly [4] - The semiconductor industry is experiencing supply shortages, with companies like SMIC reporting a large number of urgent orders [5] - The lithium battery materials industry is actively expanding, with companies like Baichuan and Xianfeng focusing on the lithium battery supply chain and new material development [4][5] Group 3: Market Performance - Companies like Dazhi and Jiumuwang have seen significant stock performance, with multiple trading days of gains, indicating strong market interest [5][6] - The consumer sector is showing signs of growth, with October CPI rising by 0.2%, prompting the Ministry of Finance to continue implementing measures to boost consumption [6]

Group 1: Stock Market Activity - On the institutional trading leaderboard, 27 stocks were listed, with 15 seeing net purchases and 12 experiencing net sales [1] - The top three stocks with the highest net purchases by institutions were: Dawi Co., Ltd. (2.51 billion), Tengjing Technology (1.04 billion), and Xuanya International (1 billion) [1] Group 2: Semiconductor Industry - Dawi Co., Ltd. specializes in semiconductor storage, primarily offering NAND and DRAM storage products, with its subsidiary Dawi Chuangxin providing products applicable in data centers [1] Group 3: Aquaculture Industry - Guolian Aquatic Products is a leading company in the aquaculture and prepared food sector [1] - Zhongshui Fishery, under China Agricultural Development Group, focuses on deep-sea aquatic products, including prepared foods like tuna dumplings and tuna rings [1] - Recent news indicates that China has suspended imports of Japanese aquatic products due to political tensions, which may impact market dynamics [1] Group 4: Military Industry - A domestic company is a major producer of military microwave circuits and devices, involved in satellite development and ground station support, holding exclusive supply positions with core clients [2] - Jianglong Shipbuilding specializes in law enforcement vessels, leisure boats, and special operation vessels, and has qualified as a supplier for the People's Liberation Army, enabling it to produce and repair small surface combat vessels and auxiliary ships [2]

Market Overview - On November 18, the trading volume of the Shanghai and Shenzhen stock markets reached 1.93 trillion yuan, an increase of 15.3 billion yuan compared to the previous trading day [1] - Sectors that saw significant gains included Xiaohongshu concept, Sora, internet e-commerce, AI applications, software development, and semiconductors, while sectors that experienced declines included batteries, coal, steel, organic silicon, and industrial metals [1] Stock Performance - High-performing stocks included Victory Co. with six consecutive trading limits, Zhenai Meijia and Jiumuwang with five consecutive limits, and Longzhou Co. and Huaxia Happiness with four consecutive limits [3] - The top three net buying stocks on the daily leaderboard were Aerospace Development, Yongtai Technology, and Dawi Co., with net purchases of 246 million yuan, 221 million yuan, and 182 million yuan, respectively [4] Institutional Activity - The top three net selling stocks were Tianqi Materials, Duofluor, and Zhongsheng Pharmaceutical, with net sales of 504 million yuan, 341 million yuan, and 170 million yuan, respectively [4] - Among stocks involving institutional special seats, the top three net buying stocks were Delijia, Dawi Co., and Yongtai Technology, with net purchases of 125 million yuan, 102 million yuan, and 76 million yuan, respectively [4] Company Highlights - Aerospace Development has completed the production and launch of 22 "Tianmu No. 1" satellites, becoming the first commercial satellite to connect with the China Meteorological Administration's numerical forecasting system [5] - For the first three quarters, Aerospace Development reported revenue of 1.697 billion yuan, a year-on-year increase of 42.59%, with a net loss of 489 million yuan, narrowing by 12.38% year-on-year [5] - Dawi Co. has completed exploration assessments for approximately 2.1 billion tons of feldspar ore, with associated lithium oxide reserves of 32,370 tons, and is advancing the transition from exploration rights to mining rights [6][7] Trading Dynamics - Aerospace Development saw a trading limit with a turnover rate of 25.76% and a total transaction volume of 4.597 billion yuan, with institutional net selling of 49.1 million yuan [10] - Visual China also reached a trading limit with a turnover rate of 16.97% and a transaction volume of 2.646 billion yuan, with institutional net buying of 373,730 yuan [10] - Conversely, Zhongsheng Pharmaceutical and Hailu Heavy Industry both hit the lower limit, with turnover rates of 21.09% and 30.15%, respectively [10][11]