丨证券研究报告丨 公司研究丨点评报告丨长海股份（300196.SZ） 范超 张佩 董超 SAC：S0490513080001 SAC：S0490518080002 SAC：S0490523030002 SFC：BQK473 [Table_Title] 新产能快速释放，效益逐步发挥 报告要点 [Table_Summary] 长海股份发布 2024 年年报及 2025 年一季报：2024 年实现收入 26.6 亿元，同比增长 2%；归 属净利润 2.75 亿元，同比下滑 7%；扣非净利润 2.45 亿元，同比下滑 13%。2024Q4 实现收 入 7.6 亿元，同比增长 23%，环比增长 12%；归属净利润 0.72 亿元，同比增长 787%，环比 下滑 10%；扣非净利润 0.63 亿元，同比增长 303%，环比下滑 4%。2025Q1 实现收入 7.6 亿 元，同比增长 31%，环比增长 1%；归属净利润 0.82 亿元，同比增长 62%，环比增长 14%； 扣非净利润 0.87 亿元，同比增长 93%，环比增长 39%。 分析师及联系人 [Table_Author] 请阅读最后评级说明和重要声明 %% %% ...

Core Viewpoint - The article discusses the trend of "anti-involution" in various industries as reflected in the capital expenditure to depreciation ratio, indicating a shift towards more conservative investment strategies in response to market conditions [1]. Group 1: Lithium Battery Industry - The lithium battery industry has seen a significant reduction in the capital expenditure to depreciation ratio, dropping from 5.17 in 2022 to 2.37 in 2023, and further to a historical low of 1.77 in 2024, indicating a controlled expansion of capacity [1][2]. - In Q1 2025, major companies like CATL reported a 6.19% revenue growth, while EVE Energy experienced a 37.34% increase, confirming the industry's recovery [2]. Group 2: Silicon Material and Wafer Industry - The silicon material and wafer industry has drastically reduced its capital expenditure to depreciation ratio from 4.1 in 2023 to 1.94 in 2024, marking a historical low due to significant losses [4][5]. - Leading company Tongwei Co. reported an 18.58% revenue decline in Q1 2025, with a negative gross margin of -2.88%, indicating ongoing challenges in the industry [5]. Group 3: Special Steel Industry - The special steel industry saw its capital expenditure to depreciation ratio decrease from 0.93 in 2023 to 0.57 in 2024, suggesting a contraction in capacity but still maintaining profitability among major players [7]. - In 2024, China imported 2.555 million tons of special steel, valued at $5.248 billion, highlighting ongoing demand in high-end steel products [7]. Group 4: Organic Silicon Industry - The organic silicon industry experienced a decline in its capital expenditure to depreciation ratio from 6.98 in 2023 to 1.76 in 2024, indicating a slowdown in capacity expansion [10]. - In Q1 2025, leading company Hoshine Silicon reported a gross margin drop to 14.62%, the lowest in its history, reflecting the industry's ongoing struggles [10]. Group 5: Titanium Dioxide Industry - The titanium dioxide industry faced low prices in 2024, with a capital expenditure to depreciation ratio of 0.78, indicating a contraction in capacity [12]. - Leading company Longbai Group showed signs of stabilization in Q1 2025, with a slight recovery in gross margin, although demand remains uncertain due to external factors [12]. Group 6: Coking Industry - The coking industry is experiencing significant challenges, with a capital expenditure to depreciation ratio of 1.18 in 2024, despite being at a historical low price point [16]. - Leading company Shanxi Coking has reported negative gross margins for ten consecutive quarters, indicating persistent difficulties in the sector [16]. Group 7: Glass Fiber Industry - The glass fiber industry reported a capital expenditure to depreciation ratio of 1.45 in 2024, down from 2.3 in the previous year, suggesting a nearing of historical lows [17]. - Major player China Jushi saw a substantial increase in revenue and net profit in Q1 2025, indicating a clear recovery trend [17]. Group 8: Inorganic Salt Industry - The inorganic salt industry faced continuous price declines, with a capital expenditure to depreciation ratio of 1.06 in 2024, indicating a contraction in capacity [21]. - Leading company Sinochem International reported a gross margin of 9.48% in Q1 2025, the lowest since its listing, reflecting ongoing challenges [21]. Group 9: Inverter Industry - The inverter industry has seen a significant drop in its capital expenditure to depreciation ratio from previous years, now at 4.43 in 2024, indicating a slowdown in expansion [23]. - The industry is experiencing a divergence, with leading companies like Sungrow continuing to perform well, while smaller firms face losses [23].

Investment Rating - The industry investment rating is "Positive" and maintained [10] Core Viewpoints - The sales decline of the top 100 real estate companies has stabilized, with a year-on-year sales amount decrease of 7.8% and a sales area decrease of 18.9% from January to April 2025, showing a significant narrowing compared to the previous year [5][6] - Cement prices continue to decline, while prices for fiberglass from small and medium enterprises are loosening [5][6] - Recommendations include focusing on the African supply chain and computing power chain, with leading companies in existing markets being the main focus for the year [8][9] Summary by Sections Sales Performance - In April 2025, the year-on-year sales amount for the top 100 real estate companies decreased by 10.3%, and the sales area decreased by 18.3%, showing slight improvement compared to the previous month [5][6] - The sales amount in April decreased by 12.4% month-on-month, which is better than 2024 but weaker than the average from 2018 to 2024 [5] Cement Market - As of late April, domestic cement market demand has slightly improved, with a national shipment rate of 49.3%, up by approximately 2.1 percentage points month-on-month but down by 2.5 percentage points year-on-year [6][23] - The national average cement price is 391.94 yuan/ton, down by 3.06 yuan/ton month-on-month but up by 27.74 yuan/ton year-on-year [24] Glass Market - The domestic float glass market is experiencing weak transactions, with limited price adjustments and general market demand [7][34] - The national average glass price is 75.13 yuan/weight box, up by 0.06 yuan/weight box month-on-month but down by 17.23 yuan/weight box year-on-year [37] Fiberglass Market - The market for non-alkali roving has seen price loosening among some small and medium enterprises, with overall trading activity declining [42] - The electronic yarn market prices have remained stable, with downstream purchasing being demand-driven [42] Recommendations - The report recommends focusing on the African supply chain, particularly highlighting Keda Manufacturing as a leading local player with advantages in production, channels, and brand [8] - In the computing power chain, Zhongcai Technology is recommended as a leading domestic special fiberglass cloth manufacturer benefiting from domestic substitution [8][9]

Investment Rating - The report maintains an "Accumulate" rating for the building materials industry [1] Core Views - The short-term economic downturn is causing the real estate chain to hover at the bottom, but the overall direction remains positive with expectations for recovery in the home improvement sector by Q3 2025 [3][4] - The cement market is experiencing a slight price decline, with a national average price of 387.7 RMB/ton, down 3.2 RMB/ton from last week, but up 29.7 RMB/ton year-on-year [3][19] - The report highlights the potential for recovery in demand for building materials, driven by government policies aimed at stabilizing the real estate market and boosting domestic consumption [15] Summary by Sections 1. Sector Overview - The building materials sector saw a decline of 2.14% this week, underperforming the CSI 300 index, which fell by 0.43% [3] - The report emphasizes the importance of low-valuation leading companies and expansion-oriented firms, recommending companies like Beixin Building Materials and SanKeTree [3][4] 2. Bulk Building Materials Fundamentals and High-Frequency Data 2.1 Cement - The national cement market price has decreased by 0.8% this week, with regional price fluctuations observed [18] - The average cement inventory level is at 61.7%, down 0.1 percentage points from last week, while the average shipment rate is 49.5%, up 2.1 percentage points week-on-week [27] - The report anticipates a weak and fluctuating price trend in the near future due to weak market demand [18][19] 2.2 Glass Fiber - The glass fiber industry is expected to see a gradual recovery in profitability, with demand in wind power and thermoplastics continuing to grow [12] - The report notes that leading companies are likely to benefit from structural advantages in product offerings [12] 2.3 Glass - The glass industry is currently facing a weak balance between supply and demand, with slow inventory depletion [13] - The report suggests that the profitability of the glass sector remains at a low point, but may improve with supply adjustments [14] 3. Industry Dynamics Tracking - The report discusses the impact of external uncertainties such as tariffs and trade tensions, which are expected to enhance domestic demand expectations [15] - It highlights the government's commitment to stabilizing the real estate market and the anticipated positive effects of new policies on home improvement consumption [15] 4. Weekly Market Review - The report provides a detailed analysis of price changes in the cement market, with specific regional price movements noted [20] - It also includes a summary of the performance of various companies within the building materials sector, emphasizing the potential for valuation recovery [16][17]

Investment Rating - The report maintains an "Accumulate" rating for the building materials industry [1] Core Views - The short-term economic downturn is causing the real estate chain to hover at the bottom, but the overall direction remains positive with expectations for recovery in the home improvement sector by Q3 2025 [3][4] - The cement market is experiencing a slight price decline, with the national average price at 387.7 RMB/ton, down 3.2 RMB/ton from last week but up 29.7 RMB/ton year-on-year [3][19] - The report highlights the potential for recovery in demand for building materials, driven by government policies aimed at stabilizing the real estate market and boosting domestic consumption [15] Summary by Sections 1. Industry Overview - The building materials sector saw a decline of 2.14% this week, underperforming the CSI 300 index, which fell by 0.43% [3] - The report emphasizes the importance of low-valuation leading companies and expansion-oriented firms as key investment targets [3][4] 2. Bulk Building Materials Fundamentals and High-Frequency Data 2.1 Cement - The national cement market price has decreased by 0.8% this week, with regional variations noted [18] - The average cement inventory level is at 61.7%, down 0.1 percentage points from last week [27] - The report anticipates a weak but stable price trend moving forward due to ongoing supply-demand adjustments [4][18] 2.2 Glass Fiber - The glass fiber industry is expected to see a gradual recovery in profitability, with demand from wind power and thermoplastics sectors continuing to grow [12] - The report suggests that leading companies may benefit from structural advantages and cost efficiencies [12] 2.3 Glass - The glass industry is currently facing a weak balance between supply and demand, with slow inventory depletion [13] - The report indicates that rising costs from petroleum coke may impact profitability, but leading companies are expected to maintain competitive advantages [14] 3. Industry Dynamics Tracking - The report notes that government policies are increasingly focused on stimulating domestic demand and stabilizing the real estate market, which is expected to positively impact the building materials sector [15] - The anticipated implementation of "old-for-new" policies in 2025 is expected to further boost demand for home improvement materials [15] 4. Weekly Market Review - The report provides a detailed analysis of price changes in the cement market, highlighting significant regional differences [20] - It also includes a summary of the performance of various building materials companies, emphasizing those with strong growth potential and competitive advantages [16][17]

Summary of Conference Call Notes Industry Overview Chemical Industry - In 2024, the chemical sector's revenue decreased by 2.7% year-on-year, with net profit down by 4.3%, but showed a significant quarter-on-quarter growth of 180% [1][4] - Sub-sectors performing well include tires and synthetic leather, while potassium fertilizer and oil trading faced challenges [1][4] - In Q1 2025, growth was observed in fiberglass, modified plastics, and potassium fertilizer, while soda ash, petrochemicals, and polyurethane remained under pressure [1][5] - Key factors affecting the tire sector include raw material price fluctuations and overseas tariff risks [6] Power Industry - In 2024, electricity consumption growth was relatively high, with a 6.7% increase, but Q1 2025 saw limited impact from temperature changes [11] - Thermal power profitability improved due to declining coal prices, although profits remained stable due to electricity price and consumption limits [11][13] - Wind power generation increased by 15.7% in 2024, but utilization hours decreased; solar power competitiveness significantly improved with a 45.3% year-on-year growth in Q1 2025 [14] - Recommendations include focusing on leading companies in renewable energy such as China Yangtze Power and Longyuan Power [1][22] Real Estate Industry - The real estate sector is in a contraction phase, with many companies experiencing declines in cash short-term debt ratios and net debt ratios [24] - Central and state-owned enterprises hold a significant share of net profits, but most real estate companies saw declines in net profits [25] - There is potential for recovery in housing transaction volumes, particularly in first-tier and some second-tier cities, with recommendations for improvement-oriented companies like Binjiang Group and Greentown China [28] Transportation Industry - The transportation sector saw revenue and net profit growth in 2024, driven by increases in shipping, aviation, and express delivery [29] - The express delivery sector experienced a significant volume increase of 21.5% in 2024, with continued growth of 21.6% in Q1 2025, despite ongoing price competition [30] - The aviation sector showed a notable profit increase in 2024, but Q1 2025 saw a return to losses, with significant performance from Huaxia Airlines [31] Non-ferrous Metals - In Q1 2025, the copper sector's revenue decreased by 7.8%, but net profit increased by 22% quarter-on-quarter [36] - The aluminum sector faced a revenue decline, but profits improved due to falling prices of alumina [36] - Investment recommendations focus on defensive strategies, prioritizing precious and energy metals [36] Key Insights - The chemical sector is experiencing mixed performance across sub-sectors, with a focus on raw material costs and demand fluctuations [1][6] - The power industry is transitioning towards renewable energy, with significant growth in solar and wind sectors [14][22] - The real estate market is stabilizing, with potential recovery in specific urban areas, highlighting the importance of cash flow management [24][28] - The transportation sector is benefiting from increased demand, particularly in express delivery, despite competitive pricing pressures [30][32] - Non-ferrous metals are facing challenges from tariffs and supply-demand imbalances, with a cautious investment outlook [36]

Core Insights - The article highlights the remarkable economic transformation of Tongxiang City, emphasizing its ability to create significant industrial growth from seemingly limited resources, showcasing a unique "from nothing to something" capability [1][9][24]. Group 1: Economic Development - Tongxiang has demonstrated rapid industrial growth, with notable statistics such as the ability of Tongkun's digital brain to generate approximately 1.5 million OT data in one second and the production line of Tai Rui Machinery producing an injection molding machine in just nine minutes [1]. - The city has achieved a remarkable industrial output value of over 225.86 billion yuan in 2024, transitioning from "China's woolen sweater town" to "the world's woolen sweater capital" [7][9]. - The local economy is characterized by a high density of business ownership, with one in five residents being a business owner, contributing to the city's wealth and economic dynamism [13][24]. Group 2: Industrial Innovation - Tongxiang has established itself as a leader in the new materials industry, with significant contributions to the global wind power sector, producing one out of every three wind turbine blades [15][18]. - The city has developed a complete industrial chain in new materials, from production to processing and composite materials manufacturing, attracting numerous enterprises and fostering a collaborative industrial environment [18][23]. - The establishment of the "U Town Light" supercomputing center has positioned Tongxiang at the forefront of digital innovation, facilitating the digital transformation of traditional industries, particularly in new materials [20][21]. Group 3: Government Support and Strategic Planning - The local government has implemented strategic plans, such as the "135N industrial cluster" strategy, to cultivate the new materials industry, allocating significant funding for development [24][28]. - Tongxiang has established a supportive infrastructure, including the first "light-storage integrated" demonstration park in Zhejiang Province, ensuring sufficient energy supply for enterprises [27][29]. - Various incentive programs, such as the "Eagle Plan" for large enterprises and the "Chick Plan" for startups, provide financial support and resources to foster innovation and growth in the new materials sector [28][29]. Group 4: Future Prospects - The new materials market is projected to grow significantly, with a compound annual growth rate of 13.3% from 2020 to 2025, potentially reaching a market size of 5.6 trillion USD by 2025 [32]. - Tongxiang is positioned to become a key player in the new materials industry, producing 25% of the world's glass fiber and 31% of China's chemical fiber materials, indicating its potential to lead in this sector [32]. - The article concludes by emphasizing the importance of cities like Tongxiang in driving national economic growth, highlighting their role in the broader economic landscape [34][35].

行业报告 | 行业专题研究 建筑材料 证券研究报告 建材行业财报总结：24 年深蹲筑底，25Q1 曙光已现 建材行业 24 年经营持续承压，25Q1 曙光已现 我们跟踪的建材行业上市公司总计营收同比下降 15%达 5920 亿元，其中 Q1/Q2/Q3/Q4 分别实现 1260/1621/1485/1556 亿元，同比降幅均在 15%上下。 2024 年归母净利润同比下降 46%达 223 亿元，所有子板块均有下降，其中 Q1/Q2/Q3/Q4 分别实现 31/84/65/41 亿元，Q2 利润表现最优，且自 Q2 开始 同比降幅逐季收窄。2025 年 Q1 来看，全行业营收同比-6%达 1188 亿元，归母 净利润同比+7%达 34 亿元，实现自 21Q3 以来（近 14 个季度）的首次正增长。 子板块：24 年全部子行业利润下滑，25Q1 水泥、玻纤利润显著增长 风险提示：下游基建、地产需求不及预期，原材料、煤炭涨价超预期，产能投放超预期等。 2025 年 05 月 05 日 | 投资评级 | | | --- | --- | | 行业评级 | 强于大市(维持评级) | | 上次评级 | 强于大市 | 作者 ...

Investment Rating - The industry investment rating is "Positive" and maintained [12]. Core Viewpoints - The Central Political Bureau meeting emphasized proactive fiscal policies and the importance of infrastructure and stock chains, indicating a focus on urban renewal and high-quality housing supply [6][20]. - Cement prices have slightly decreased, while glass inventory remains stable, reflecting a mixed demand environment [7][40]. - There is a growing emphasis on domestic demand and investment opportunities in the African market [9][10]. Summary by Sections Basic Situation - Cement prices have decreased by 0.7% nationwide, with a slight decline in demand due to seasonal rainfall affecting certain regions [7][26]. - The average price of cement is 395.00 yuan/ton, showing a year-on-year increase of 33.55 yuan/ton [27]. - The glass market is stable, with an average price of 75.07 yuan per weight box, down 17.90 yuan year-on-year [40]. Infrastructure and Stock Chains - The stock chain is expected to see demand growth and structural optimization, with a 35% increase in second-hand housing transactions in Q1 2025 [9]. - The infrastructure chain has higher short-term certainty, with an additional 0.5 trillion yuan in special bond quotas for 2025 aimed at construction and land acquisition [9]. Investment Opportunities - Recommended companies include Sanke Tree, Beixin Building Materials, and Tubaobao for stock chains, while China Liansu, Huaxin Cement, and Conch Cement are highlighted for infrastructure chains [9][10]. - Keda Manufacturing is noted as a leading player in the African market, with expected earnings of 1.45 billion yuan in 2025 [10].

上天天基金APP搜索【777】领 98 元券包 ，优选基金10元起投！限量发放！先到先得！ 作为资本市场的重要"稳定器"和"压舱石"，社保基金凭借审慎稳健的投资运营管理，已经成为A股市场 长期投资、理性投资的典范。 根据A股上市公司2025年一季报披露，截至4月28日记者发稿，一季度末已有324家公司前十大流通股股 东名单中出现社保基金的身影，社保基金最新投资路线图逐次揭晓。东方财富Choice数据显示，上述 324家公司累计获社保基金重仓持股54.97亿股，对应持股市值为853.85亿元。 社保基金新进持有100家上市公司 今年一季度，社保基金对云铝股份、华鲁恒升、常熟银行、万华化学、赤峰黄金、广汇能源、西部超 导、新奥股份、宇通客车、宝钢股份、长城汽车等15家公司的重仓持股市值超过10亿元。其中，社保基 金持有云铝股份1.45亿股，对应持仓市值为25.13亿元；持有华鲁恒升1.06亿股，对应持仓市值23.42亿 元；持有常熟银行2.54亿股，对应持仓市值为17.7亿元；持有万华化学2121万股，对应持仓市值为14.26 亿元；持有赤峰黄金6145.75万股，对应持仓市值为14.07亿元；持有广汇能源2.1 ...