一体化布局助盈利高且稳，产品差异化铸就长期竞争力。长海股份是业内稀缺的玻纤全产业链布局企 业，以制品业务起家，通过自建与并购形成"原纱生产→制品深加工→树脂/复合材料制造"的一体化体 系。2025 年上半年公司玻纤及制品、树脂、玻璃钢制品的收入占比分别为77%、22%、1%。一体化战 略带来四大优势：一是增厚盈利中枢，降低原纱（占制品成本50%）及中间环节成本；二是产销灵活， 可根据市场环境调节产销策略（如将原纱加工为制品）；三是便于产品性能改进，贯通粗纱到制品再到 复材的针对性产品开发；四是实现客户资源协同，市场情报能力强。公司深耕中高附加值制品领域，拳 头产品短切毡和湿法薄毡市占率领先。短切毡采用成本加成定价，顺价能力强，毛利率稳定在 25%-35%；湿法薄毡与玻纤纱价格关联度低，长协订单占比高，稳价能力突出。历史数据显示，近几年 公司扣非净利率与龙头相当，并且在景气下行期韧性更强。 风险提示：行业供给超预期增加；下游需求不及预期；扩产进度慢于行业。 短期看内生增长加速，长期看护城河进一步拓宽。公司通过"扩规模+降成本+调结构"驱动新一轮成 长。1）扩规模：2024 年底粗纱产能达40.5 万吨（新增产能 ...

Core Viewpoint - The company reported strong revenue and profit growth in the first half of 2025, driven by increased production capacity and demand in the wind power and thermoplastic sectors, despite facing export challenges due to global trade conditions [1][2]. Financial Performance - In the first half of 2025, the company achieved revenue of 1.456 billion yuan, a year-on-year increase of 19%, and a net profit attributable to shareholders of 174 million yuan, up 42% year-on-year [1]. - The second quarter revenue was 692 million yuan, reflecting an 8% year-on-year growth, with a net profit of 92 million yuan, a 28% increase year-on-year [1]. - The company's gross margin for the first half was approximately 24.6%, up 1.8 percentage points year-on-year, with the gross margin for fiberglass and products at 25.7%, an increase of 0.7 percentage points [2]. Revenue Breakdown - The revenue from fiberglass and products in the first half was 1.118 billion yuan, a 23% increase year-on-year, while chemical products generated 317 million yuan, a 10% increase [2]. - Export revenue was approximately 300 million yuan, down 9% year-on-year, impacted by a decline in global trade [2]. Cost and Profitability - The company’s overall net profit margin for the first half was about 11.9%, an increase of 2.0 percentage points year-on-year [2]. - The second quarter gross margin improved to approximately 26.8%, up 4.2 percentage points from the previous quarter, indicating a better product mix [3]. Production and Market Outlook - The new production line is expected to influence the short-term product structure, with an anticipated increase in the proportion of yarn sales, which may affect overall net profit per ton [4]. - The company expects a recovery in net profit per ton in the first half of 2025, driven by an increase in the proportion of high-end products and favorable market conditions in the wind power and thermoplastic sectors [4]. Future Projections - The company forecasts net profits of 410 million yuan and 520 million yuan for 2025 and 2026, respectively, with corresponding valuations of 16 and 12 times [5].

丨证券研究报告丨 公司研究丨点评报告丨长海股份（300196.SZ） [Table_Title] 新产能起量，盈利稳健增长 报告要点 [Table_Summary] 长海股份发布 2025 年中报：上半年实现收入 14.56 亿元，同比增长 19%，归属净利润 1.74 亿 元，同比增长 42%，扣非净利润 1.78 亿元，同比增长 53%。单 2 季度实现收入 6.92 亿元，同 比增长 8%，归属净利润 0.92 亿元，同比增长 28%，扣非净利润 0.91 亿元，同比增长 27%。 分析师及联系人 [Table_Author] 范超 张佩 董超 SAC：S0490513080001 SAC：S0490518080002 SAC：S0490523030002 SFC：BQK473 research.95579.com 1 长海股份（300196.SZ） cjzqdt11111 [Table_Title2] 新产能起量，盈利稳健增长 [Table_Summary2] 事件描述 公司发布 2025 年中报：上半年实现收入 14.56 亿元，同比增长 19%，归属净利润 1.74 亿元， 同比增长 42%，扣非 ...

Market Performance - On September 5, the glass and fiberglass sector rose by 3.37% compared to the previous trading day, with Zhongcai Technology leading the gains [1] - The Shanghai Composite Index closed at 3812.51, up 1.24%, while the Shenzhen Component Index closed at 12590.56, up 3.89% [1] Individual Stock Performance - Zhongcai Technology (002080) closed at 32.72, up 5.38% with a trading volume of 449,300 shares and a transaction value of 1.455 billion [1] - Jiuding New Materials (002201) closed at 8.45, up 4.71% with a trading volume of 230,900 shares and a transaction value of 193 million [1] - Honghe Technology (603256) closed at 36.45, up 4.38% with a trading volume of 209,000 shares and a transaction value of 749 million [1] - Other notable stocks include Yaopi Glass (618009) up 3.91%, Jinjing Technology (600586) up 3.64%, and Qibin Group (601636) up 2.95% [1] Capital Flow Analysis - The glass and fiberglass sector saw a net inflow of 309 million from main funds, while retail funds experienced a net outflow of 188 million [1] - Main fund inflows were led by Honghe Technology with 91.83 million, followed by Zhongcai Technology with 24.20 million [2] - Retail funds saw significant outflows from Jiuding New Materials and Jinjing Technology, with outflows of 628,820 and 2.69 million respectively [2]

Investment Rating - The report maintains an "Overweight" rating for the construction materials industry [1] Core Views - The construction materials sector is expected to benefit from a slight recovery in cement demand, particularly in southern regions as rainfall decreases. However, demand in areas like Beijing-Tianjin-Hebei, Shandong, and Henan is weakening due to stricter environmental controls [2][14] - The report highlights the potential for price increases in cement, driven by improved demand and supply-side discipline, with a focus on leading companies such as Conch Cement and Huaxin Cement [4][5] - The report emphasizes the importance of government policies aimed at boosting domestic demand and stabilizing the real estate market, which are expected to positively impact the home improvement and building materials sectors [17] Summary by Sections 1. Sector Overview - The construction materials sector saw a slight increase in the PMI for August, indicating a seasonal uptick in activity, particularly in major infrastructure projects initiated in July [4] - The construction materials index showed a marginal increase of 0.14% during the week, underperforming compared to the broader market indices [4] 2. Bulk Construction Materials 2.1 Cement - The national average price for high-standard cement is reported at 344.3 RMB/ton, reflecting a week-on-week increase of 1.7 RMB/ton but a year-on-year decrease of 35.2 RMB/ton [22][23] - The average cement inventory level among sample enterprises is 63.6%, down 1.0 percentage points from the previous week [25] - The report anticipates a potential price stabilization and recovery in the cement market, particularly in the second half of the year [5][14] 2.2 Glass - The average price for float glass is reported at 1189.7 RMB/ton, down 16.1 RMB/ton from the previous week and down 176.6 RMB/ton year-on-year [4] - The report suggests that supply-side adjustments are likely to improve the supply-demand balance in the glass industry, with a focus on leading companies benefiting from cost advantages [16] 2.3 Fiberglass - The report notes a stable pricing environment for fiberglass, with the average price for non-alkali roving at 3100-3700 RMB/ton, remaining stable compared to previous periods [4] - The demand for specialty fiberglass products is expected to grow significantly, driven by technological advancements and increased applications in various industries [15] 3. Home Improvement Materials - The report highlights the positive impact of government policies aimed at stimulating domestic consumption, particularly in the home improvement sector, with expectations for a recovery in demand [17] - Leading companies in the home improvement materials sector are encouraged to explore new business models and enhance their market positioning [17]

Group 1 - The company responded to an investor inquiry regarding the application of its products in fiber optics, confirming that its fiberglass products can be used for insulation protection in fiber optic cables [2] - The company stated that the casing of fiber optic cables will utilize its fiberglass products [2]

Group 1 - The construction materials sector opened high, with international composite materials rising over 6% to reach a new high [1] - China Jushi's net profit for the first half of the year was 1.687 billion yuan, representing a year-on-year increase of 75.51% [1] - Other companies such as China National Materials, Changhai Co., Shandong Fiberglass, Longquan Co., and Zaiseng Technology also experienced gains [1]

Group 1 - The glass fiber sector experienced a significant increase of 5.37% on August 28, with International Composite leading the gains [1] - The Shanghai Composite Index closed at 3843.6, up 1.14%, while the Shenzhen Component Index closed at 12571.37, up 2.25% [1] - Key stocks in the glass fiber sector showed notable price increases, with International Composite rising by 19.97% to a closing price of 7.87 [1] Group 2 - The main capital inflow in the glass fiber sector amounted to 876 million yuan, while retail investors saw a net outflow of 546 million yuan [2] - The trading volume for International Composite reached 2.9013 million shares, contributing to a transaction value of 2.133 billion yuan [1] - Other notable performers included Honghe Technology, which increased by 10% to a closing price of 44.89, and Zhongcai Technology, which rose by 3.91% to 37.20 [1][2]

证券之星消息，8月26日玻璃玻纤板块较上一交易日下跌1.27%，宏和科技领跌。当日上证指数报收于 3868.38，下跌0.39%。深证成指报收于12473.17，上涨0.26%。玻璃玻纤板块个股涨跌见下表： | 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | --- | --- | --- | --- | --- | --- | | 301526 | 国际复材 | 6.85 | 2.54% | 249.27万 | 17.81亿 | | 600176 | 中国巨石 | 13.77 | 1.40% | 81.51万 | 11.22亿 | | 002201 | 九鼎新材 | 8.56 | 0.82% | 29.07万 | 2.46亿 | | 600293 | 三峡新材 | 3.18 | 0.63% | 27.39万 | 8670.82万 | | 600876 | 凯盛新能 | 11.26 | 0.36% | 4.74万 | 5346.74万 | | 600819 | 耀皮玻璃 | 6.47 | 0.15% | 9.97万 | 6453.27万 | | 000012 | 南 玻 A ...

Industry Overview - The automotive automatic transmission friction plate is a key component that directly affects the overall performance of automatic transmissions. The technology level in this field in China started late, leading to a lack of competitive domestic brands against international giants who dominate the market [1][17] - In recent years, domestic companies like Lintai New Materials have made significant technological breakthroughs, effectively breaking the market monopoly held by foreign enterprises and enhancing the competitiveness of domestic friction plates [1][19] - The market size for China's automotive automatic transmission friction plates has grown from 5.364 billion yuan in 2021 to 6.347 billion yuan in 2024, achieving a compound annual growth rate (CAGR) of 5.77%. It is expected to reach 6.574 billion yuan by 2025 [1][17] Industry Policies - The Chinese government has implemented various regulations and policies to foster the development of the automotive automatic transmission friction plate industry, promoting technological innovation and market cultivation [9][10] - Key policies include the promotion of remanufacturing in traditional equipment and the encouragement of enterprises to accelerate the development of remanufacturing technologies for high-value components [9][10] Industry Chain - The industry chain for automotive automatic transmission friction plates consists of a complete upstream and downstream collaboration system, including raw materials like steel, resin, and special additives, manufacturing processes, and downstream applications in vehicle manufacturing and aftermarket services [11][12] Market Demand and Trends - The automotive industry is a crucial pillar of the national economy, with a significant recovery in market demand since 2021. The production of automobiles in China is projected to reach 31.282 million units in 2024, with a notable increase in new energy vehicles [14] - The friction plate industry is expected to benefit from the growing automotive market, particularly with the rise of electric vehicles and smart driving technologies, which demand higher performance and lower noise levels [25][26] Competitive Landscape - The global market for automotive automatic transmission friction plates is highly concentrated, dominated by international giants such as BorgWarner, Denso, and Aisin. However, domestic companies are making strides in technology and market share [19][21] - Companies like Lintai New Materials and Jin Qilin are emerging as key players, with Lintai reporting a revenue of 251 million yuan in 2024, reflecting a growth of 58.86% [21][23] Future Development - The industry is expected to see advancements in technology and materials, focusing on high performance, longevity, and low noise. Domestic enterprises will invest in new technologies to enhance product competitiveness [25] - The trend towards local supply chain strengthening and accelerated domestic substitution is anticipated, with an increasing preference for cost-effective domestic products in the automotive sector [26] - The diversification of market demand will drive the development of specialized products tailored to different vehicle types, enhancing competitive strategies within the industry [27]