Key Insights on Infrastructure Investment Opportunities - A seasonal infrastructure construction boom occurs from the end of the Spring Festival to the conclusion of the National People's Congress, lasting approximately 1-1.5 months, presenting significant investment opportunities[2] - The report identifies 10 strong sub-sectors with high odds and win rates, including engineering consulting services, environmental equipment, environmental governance, general equipment, specialized engineering, non-metallic materials, new metallic materials, specialized equipment, decoration, and plastics, with average returns of 12-15% and excess returns of 4-8% over the past decade[2][10] Selected Stocks from Strong Sub-sectors - The report highlights a portfolio of 18 stocks selected from the 10 strong sub-sectors based on a scoring model, which includes: - Engineering consulting: Qidi Design (average excess return 22.7%, win rate 100%) and Jian Ke Yuan (average excess return 16.4%, win rate 100%)[3][19] - Environmental equipment: Xianhe Environmental (average excess return 11.7%, win rate 90%) and Senyuan Co. (average excess return 12.2%, win rate 80%)[3][20] - Environmental governance: Shanghai Washba (average excess return 36.0%, win rate 100%) and Dechuang Environmental (average excess return 19.1%, win rate 89%)[3][23] - General equipment: Jialitu (average excess return 35.3%, win rate 100%) and Jinyang Sun (average excess return 28.8%, win rate 100%)[3][26] Performance and Risk Considerations - The selected 10 strong sub-sectors have consistently shown high absolute and excess return probabilities, with a stable performance track record over the past decade[10][13] - Risks include limitations of comparative studies, market learning effects leading to volatility, unexpected market downturns, and individual stock risks impacting the overall portfolio[4]

Investment Rating - The industry investment rating is "Positive" and maintained [9] Core Viewpoints - The cleanroom sector is essential for the production processes of semiconductors and biomanufacturing, with a new round of global semiconductor capacity restructuring expected to drive order growth for related companies. Both overseas and domestic markets are anticipated to see increased project activity, particularly in Southeast Asia and North America, as well as in China as it narrows the gap in advanced processes and core products come to fruition [2][6] Summary by Relevant Sections - **Demand Growth**: Overseas cleanroom demand is expected to expand first, driving companies to seek opportunities abroad. For instance, Morgan Stanley's report highlights that companies like Nvidia and AMD are aggressively securing 3nm capacity, leading to a shortage at TSMC. TSMC plans to increase its 3nm capacity by an additional 20,000 wafers per month by the end of this year. Additionally, Micron Technology has commenced construction of an advanced wafer manufacturing facility in Singapore, with an investment of approximately $24 billion over the next decade [13][13] - **Price Increase**: The high gross margin of companies like Asia Cleanroom reflects that overseas projects significantly outperform domestic ones in profitability. For example, Asia Cleanroom's overseas business accounted for 45.13% of total revenue in the first half of 2025, with a gross margin of 14.17% [13] - **Key Targets**: The report recommends focusing on Asia Cleanroom, with additional attention on Shenghui Integration and Bocheng Co. Asia Cleanroom specializes in cleanroom engineering services for high-tech industries and has established a strong client base, including major companies in Singapore. Shenghui Integration has a strong order book and focuses on advanced manufacturing cleanroom systems. Bocheng Co. is a leading player in the cleanroom industry, providing integrated solutions across various sectors [13]

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Group 1 - The report tracks stocks, industries, and sectors reaching new highs, indicating market trends and hotspots [1][4] - As of January 30, 2026, the distance to the 250-day new high for major indices is as follows: Shanghai Composite Index 1.14%, Shenzhen Component Index 1.62%, CSI 300 1.76%, CSI 500 2.68%, CSI 1000 2.55%, CSI 2000 3.34%, ChiNext Index 1.24%, and STAR 50 Index 2.99% [6][26] - Among the CITIC first-level industry indices, the sectors closest to their 250-day new highs are Communication, Oil & Petrochemicals, Building Materials, Nonferrous Metals, and Light Industry Manufacturing [9][26] Group 2 - A total of 1,606 stocks reached a 250-day new high in the past 20 trading days, with the highest number of new highs in the Machinery, Electronics, and Basic Chemicals sectors [2][14] - The sectors with the highest proportion of new high stocks are Nonferrous Metals (70.73%), National Defense & Military Industry (63.11%), and Oil & Petrochemicals (62.75%) [14][26] - The manufacturing and technology sectors had the most new high stocks this week, with 513 and 497 stocks respectively [17][26] Group 3 - The report identifies 50 stocks with stable new highs, including Purun Co., Yaxiang Integration, and Yuanjie Technology, primarily from the cyclical and technology sectors [3][22] - The cyclical sector had the most new high stocks, particularly in the Basic Chemicals industry, while the technology sector saw the most in the Electronics industry [22][27]

Market Overview - The professional engineering sector experienced a decline of 0.28% on January 30, with the leading drop attributed to Tongguan Mining Construction [1] - The Shanghai Composite Index closed at 4117.95, down 0.96%, while the Shenzhen Component Index closed at 14205.89, down 0.66% [1] Stock Performance - Notable gainers in the professional engineering sector included: - Baicheng Co., Ltd. (601133) with a closing price of 18.55, up 10.02% and a trading volume of 477,900 shares [1] - Roman Co., Ltd. (605289) at 80.41, up 10.00% with a trading volume of 114,100 shares [1] - Shenghui Integration (603163) at 110.85, up 8.68% with a trading volume of 66,900 shares [1] - Significant decliners included: - Tongguan Mining Construction (920019) at 24.02, down 14.43% with a trading volume of 163,800 shares [2] - China Aluminum International (601068) at 6.07, down 6.62% with a trading volume of 825,000 shares [2] Capital Flow - The professional engineering sector saw a net outflow of 123 million yuan from institutional investors and 247 million yuan from speculative funds, while retail investors contributed a net inflow of 370 million yuan [2] - Detailed capital flow for selected stocks indicated: - Baicheng Co., Ltd. (601133) had a net inflow of 311 million yuan from institutional investors, while speculative funds saw a net outflow of 172 million yuan [3] - Huadian Technology (601226) experienced a net inflow of 134 million yuan from institutional investors, with a net outflow of 42.43 million yuan from speculative funds [3]

Market Performance - The professional engineering sector increased by 0.91% on January 28, with Tongguan Mining Construction leading the gains [1] - The Shanghai Composite Index closed at 4151.24, up 0.27%, while the Shenzhen Component Index closed at 14342.9, up 0.09% [1] Top Gainers in Professional Engineering Sector - Tongguan Mining Construction (code: 920019) closed at 28.00, up 15.27% with a trading volume of 226,100 shares and a transaction value of 618 million yuan [1] - China Aluminum International (code: 601068) closed at 6.64, up 9.93% with a trading volume of 665,600 shares and a transaction value of 426 million yuan [1] - Roman Co., Ltd. (code: 605289) closed at 74.80, up 7.67% with a trading volume of 101,500 shares and a transaction value of 760 million yuan [1] Top Losers in Professional Engineering Sector - Zhite New Materials (code: 300986) closed at 37.65, down 12.99% with a trading volume of 962,600 shares and a transaction value of 374 million yuan [2] - Zhenhai Co., Ltd. (code: 603637) closed at 11.98, down 9.99% with a trading volume of 239,300 shares and a transaction value of 289 million yuan [2] - Feiguishang (code: 605598) closed at 61.30, down 5.03% with a trading volume of 71,400 shares and a transaction value of 443 million yuan [2] Capital Flow Analysis - The professional engineering sector experienced a net outflow of 419 million yuan from institutional investors, while retail investors saw a net inflow of 476 million yuan [2] - The net outflow from retail investors amounted to 56.46 million yuan [2] Individual Stock Capital Flow - For Asia Xiang Integration (code: 603929), the net inflow from institutional investors was 15.7 million yuan, while retail investors had a net outflow of 19.41 million yuan [3] - China Aluminum International (code: 601068) saw a net inflow of 10 million yuan from institutional investors, with retail investors experiencing a net outflow of 74.75 million yuan [3] - Tongguan Mining Construction (code: 920019) had a net inflow of 58.91 million yuan from institutional investors and a small net inflow of 2.24 million yuan from retail investors [3]

【华泰建筑建材】洁净室产业链更新260127 1月27日，美光科技官网官宣，未来十年将在新加坡投资240亿美金（合1700亿人民币）建设一座新NAND工厂， 规划约70万平方英尺（合6.5万平）的洁净室面积，计划2H28投产。 25年初，美光曾在同一园区官宣投资70亿美金建设一座HBM工厂（亚翔集团承接EPC总包），计划2H2027投产。 此前美光亦官宣收购力积电台湾12英寸厂房，以补充洁净室需求。 【华泰建筑建材】洁净室产业链更新260127 1月27日，美光科技官网官宣，未来十年将在新加坡投资240亿美金（合1700亿人民币）建设一座新NAND工厂， 规划约70万平方英尺（合6.5万平）的洁净室面积，计划2H28投产。 25年初，美光曾在同一园区官宣投资70亿美金建设一座HBM工厂（亚翔集团承接EPC总包），计划2H2027投产。 此前美光亦官宣收购力积电台湾12英寸厂房，以补充洁净室需求 我们认为此举进一步印证了AI应用落地下，全球先进制程、存储需求旺盛，跨国龙头扩产意愿较强。 而在台积电逐步调减成熟制程产能后，AI应用配套带动成熟制程需求旺盛，成熟制程厂商产能利用率提升下亦开 启提价，如世界先进1Q2 ...

Market Overview - The market rebounded yesterday with all three major indices turning positive, and the ChiNext Index rose over 1% at one point. The total trading volume in the Shanghai and Shenzhen markets was 2.89 trillion, a decrease of 353.2 billion from the previous trading day. Over 3,400 stocks declined across the market [1] - The semiconductor industry chain continued to rise, with Huahong Semiconductor reaching a historical high, and stocks like Yaxing Integrated and Shenghui Integrated hitting the daily limit. Precious metals maintained strong performance, with China Gold achieving three consecutive limit-ups and Hunan Gold two consecutive limit-ups [1] - The CPO concept showed active performance, with Yuanjie Technology rising over 10% to reach a historical high, and Huilv Ecology hitting the daily limit. The space photovoltaic concept continued to recover, with Yujing Co. achieving three limit-ups in four days, and Saiwu Technology achieving two limit-ups in three days [1] - In contrast, the coal and battery sectors saw significant declines, with the battery industry chain collectively dropping, and stocks like Tianji Co. and Huasheng Lithium Battery falling over 6%. By the end of the trading day, the Shanghai Composite Index rose 0.18%, the Shenzhen Component Index rose 0.09%, and the ChiNext Index rose 0.71% [1] AIDC Power Supply Industry - CITIC Securities highlighted investment opportunities in the AIDC power supply industry chain, driven by the increasing power of single AI chips and AI computing cabinets, leading to iterations towards high power, direct current, and high voltage. Investment opportunities include four categories: (1) AIDC power supply mainframes such as PSU, HVDC, and SST, which have high value concentration and technical barriers; (2) Station-level energy storage, which is becoming a necessity for AI data center grid connection; (3) Core components, particularly solid-state circuit breakers, CBU/BBU, DC/DC devices, and electronic fuses/relays; (4) Third-generation semiconductors like GaN and SiC [2] Market Sentiment and Investment Trends - CICC noted that the "deposit into the market" effect may diminish by 2026. This effect emphasizes the importance of "new funds" while also considering "exit funds" to determine "net new funds," which have a stronger correlation with stock prices. The willingness of residents to enter the market is closely related to income expectations. Even when focusing on new funds, the growth rate of new funds is more closely related to stock market performance. The entry of high-net-worth individuals and insurance funds has provided significant support to the stock market in 2025, but this influence may wane in 2026 [3] AI Cloud Infrastructure - Open Source Securities reported that Amazon AWS announced a price increase of approximately 15% for its EC2 machine learning capacity blocks, marking the first break from its long-standing pricing tradition of only decreasing prices. This service model was introduced to address the supply-demand imbalance of high-performance GPU resources. The price increase confirms the high demand for AI computing resources globally and indicates that the scarcity of resources in the AI cloud industry may become more pronounced [4]

#项目节奏上，美光公告晶圆预计2028年下半年产出，对应洁净室建设周期预计集中于2027年（土建后）。 #承接方，台湾亚翔承接总包概率较大（此前亚翔在新加坡几乎承接所有大型FAB洁净室项目，包括联电、世界 先进及美光HBM），洁净室以分包形式交由苏州亚翔集成建设。 #项目贡献业绩，洁净室周期预计1-1.5年，项目净利率按15%假设对应业绩增量16.5亿（其中洁净室部分11 亿）。 【国盛建筑何亚轩】美光新加坡投资加码，预计带动亚翔多少业绩增量？ 今日美光宣布新加坡NAND制造园区一座先进晶圆制造厂破土动工，该厂房计划投资约240亿美元，分10年投 入，设计共70万平方英尺（约6.5万平米）洁净室空间，按照单平方英尺洁净室造价1500美金（造价数据参考 AmericanCleanroomSystems中最高洁净度电子厂价格），对应洁净室投资约73.5亿人民币，加总土建环节合计E 【国盛建筑何亚轩】美光新加坡投资加码，预计带动亚翔多少业绩增量？ 今日美光宣布新加坡NAND制造园区一座先进晶圆制造厂破土动工，该厂房计划投资约240亿美元，分10年投 入，设计共70万平方英尺（约6.5万平米）洁净室空间，按照单平方英 ...