证券日报网讯长海股份（300196）11月14日在互动平台回答投资者提问时表示，公司主营业务为玻纤制 品及玻纤复合材料的研发、生产和销售。公司将加强与供应商的沟通，与原材料供应商建立战略合作关 系，及时关注原材料市场行情及价格波动，根据原材料价格上涨趋势适时调整公司产品价格，降低公司 成本压力，减少原材料价格波动对公司经营业绩的影响。 ...

Market Overview - The glass and fiberglass sector experienced a decline of 2.92% on November 14, with Honghe Technology leading the drop [1] - The Shanghai Composite Index closed at 3990.49, down 0.97%, while the Shenzhen Component Index closed at 13216.03, down 1.93% [1] Stock Performance - Key stocks in the glass and fiberglass sector showed varied performance, with the following notable changes: - Honghe Technology (603256) closed at 31.70, down 6.57% with a trading volume of 232,000 shares and a turnover of 742 million yuan [2] - China Glass (600176) closed at 15.89, down 3.87% with a trading volume of 406,600 shares and a turnover of 654 million yuan [2] - Zhongcailiao Technology (002080) closed at 34.16, down 3.26% with a trading volume of 551,900 shares and a turnover of 1.927 billion yuan [2] Capital Flow - The glass and fiberglass sector saw a net outflow of 301 million yuan from institutional investors, while retail investors had a net inflow of 328 million yuan [2] - The following stocks had significant capital flow changes: - Jinjing Technology (600586) had a net inflow of 24.34 million yuan from institutional investors [3] - Qibin Group (601636) saw a net inflow of 8.06 million yuan from institutional investors [3] - North Glass (002613) had a net inflow of 2.75 million yuan from retail investors [3]

Group 1: Cement Industry - The cement production in China for Q1-Q3 2025 decreased by 5% year-on-year, with a narrowing decline, and the annual production is expected to be around 1.73 billion tons, which is a 30% drop from the peak in 2014 [15][32] - The SW cement manufacturing industry revenue for Q1-Q3 2025 was 252.1 billion yuan, a year-on-year decrease of 9%, with a sales net profit margin of 3.3%, an increase of 1.0 percentage points compared to the full year of 2024 [32][33] - The future support for domestic cement prices mainly depends on the optimization process on the supply side, with a focus on completing the target of limiting overproduction by the end of the year [35][45] Group 2: Glass Industry - The flat glass production in China for Q1-Q3 2025 was 730 million weight cases, a year-on-year decrease of 5%, with prices continuing to decline [57] - The SW glass manufacturing industry achieved a total revenue of 34.4 billion yuan in Q1-Q3 2025, a year-on-year decrease of 11%, with a sales net profit margin of 0.6% [74] - The overall profitability of the glass manufacturing industry is under pressure, with major companies like Xinyi Glass and Qibin Group experiencing significant declines in net profit margins [74][78] Group 3: Fiberglass Industry - The fiberglass manufacturing industry saw a significant recovery in profitability in Q1-Q3 2025, with revenue reaching 49.2 billion yuan, a year-on-year increase of 24%, and a sales net profit margin of 10.8%, up 4.3 percentage points from 2024 [83][84] - The demand for high-performance electronic fabrics is expected to continue growing due to advancements in AI and high-frequency communication technologies [84][89] - Companies like Zhongcai Technology and Honghe Technology are recommended for their focus on high-end products and significant growth in revenue and profit margins [89][94] Group 4: Consumer Building Materials - The transaction volume of commercial housing and second-hand housing prices in China continued to decline, but the rate of decline has narrowed [2] - The sales of waterproof materials and coatings have shown significant improvement compared to 2024, with companies like Sankeshu and Hanhai Group recommended for investment [2][4]

Core Viewpoint - Changhai Co., Ltd. confirmed that Changzhou Tianma Group Co., Ltd. is a wholly-owned subsidiary, specializing in high-performance fiberglass and related products, which extends the company's main business chain [2] Group 1 - Changzhou Tianma Group produces unsaturated polyester resins and auxiliary materials, fiberglass adhesives, and composite materials [2] - The subsidiary plays a crucial role in the company's core business operations [2]

Investment Rating - The report maintains an "Accumulate" rating for the construction materials industry [1] Core Views - The macroeconomic data is weakening, and there are expectations for policy support to stabilize the market [1] - The construction materials sector has shown a slight increase of 0.80% this week, outperforming the CSI 300 and Wind All A indices [5] - The report highlights the potential for recovery in the glass fiber industry and suggests focusing on companies benefiting from price increases and domestic demand recovery [5][6] Summary by Sections 1. Bulk Construction Materials Fundamentals and High-Frequency Data - **Cement**: The national average price for high-standard cement is 351.2 RMB/ton, down 0.5 RMB/ton from last week and down 74.3 RMB/ton from the same period in 2024. The average cement inventory ratio is 69.9%, up 0.3 percentage points from last week [5][12][21] - **Glass**: The average price for float glass is 1197.2 RMB/ton, down 5.5 RMB/ton from last week and down 192.1 RMB/ton from 2024. The inventory of float glass is 6016 million heavy boxes, down 184 million from last week [5][47][50] - **Glass Fiber**: The market for glass fiber remains stable, with prices for 2400tex alkali-free yarn around 3250-3700 RMB/ton, showing no significant changes from the previous week [5][6] 2. Industry Dynamics Tracking - The report notes a decline in October export data and a further weakening in the real estate sector, leading to expectations for supportive domestic demand policies from the upcoming Central Economic Work Conference [5] - Recommendations include focusing on companies in the glass fiber sector, such as China Jushi and Zhongcai Technology, and those in the home decoration sector, like Hanhai Group and Ark Home [5] 3. Weekly Market Review and Sector Valuation - The construction materials sector's performance is compared to the broader market, with a slight underperformance noted against the CSI 300 index [5] - The report emphasizes the importance of industry policies and the potential for valuation recovery as the market stabilizes [5][6]

Market Overview - The glass and fiberglass sector increased by 1.72% compared to the previous trading day, with Zhongcai Technology leading the gains [1] - The Shanghai Composite Index closed at 4007.76, up 0.97%, while the Shenzhen Component Index closed at 13452.42, up 1.73% [1] Stock Performance - Zhongcai Technology (002080) closed at 32.63, up 4.92% with a trading volume of 332,700 shares and a transaction value of 1.07 billion [1] - Honghe Technology (603256) closed at 33.17, up 2.57% with a trading volume of 257,900 shares and a transaction value of 847 million [1] - Jinjing Technology (600586) closed at 6.05, up 1.85% with a trading volume of 1,006,100 shares and a transaction value of 609 million [1] - International Composite (301526) closed at 6.07, up 1.68% with a trading volume of 497,400 shares and a transaction value of 300 million [1] - Other notable stocks include Changhai Co. (300196) at 14.57, up 1.18%, and China Jushi (600176) at 15.90, up 0.95% [1] Capital Flow - The glass and fiberglass sector saw a net inflow of 177 million from institutional investors, while retail investors experienced a net outflow of 1.27 billion [2] - The main capital flow data indicates that Zhongcai Technology had a net inflow of 48.60 million from institutional investors, while retail investors had a net outflow of 75.64 million [3] - Honghe Technology experienced a net outflow of 89.72 million from institutional investors, indicating a shift in investor sentiment [3]

Core Insights - The glass fiber industry has strong connections between upstream and downstream sectors, with upstream involving raw materials like ores and chemicals, midstream focusing on manufacturing, and downstream applications in transportation, construction, electronics, and emerging industries [1][4]. Industry Overview - Major listed companies in the glass fiber industry include China Jushi (600176), China National Materials (002080), Changhai Co. (300196), International Composites (301526), Shandong Glass Fiber (605006), Honghe Technology (603256), and Jiuding New Materials (000834) [1][2]. - The industry chain includes upstream suppliers such as quartz companies and chemical groups, midstream manufacturers, and downstream users [2]. Regional Distribution - Glass fiber production is concentrated in Jiangsu, Zhejiang, and Shandong provinces, with Jiangsu hosting many manufacturers like Changhai Co. and China National Materials, while the leading company, China Jushi, is located in Zhejiang [4]. Financial Performance - In 2024, China Jushi and China National Materials are expected to lead in revenue, with China Jushi projected to generate 15.48 billion yuan and a gross margin of 24.34% [6][7]. - Other companies like Jiuding New Materials and Changhai Co. also show strong gross margins above 20% [6][7]. Investment Trends - Since 2022, companies in the glass fiber sector have been expanding through subsidiaries, investment funds, and capital increases [8]. - Notable investments include International Composites planning to invest approximately 230 million yuan in upgrading production lines, and China Jushi investing around 951 million yuan for a new production line [10].

Market Overview - The glass and fiberglass sector experienced a decline of 1.58% on November 4, with Honghe Technology leading the drop [1] - The Shanghai Composite Index closed at 3960.19, down 0.41%, while the Shenzhen Component Index closed at 13175.22, down 1.71% [1] Stock Performance - Key stocks in the glass and fiberglass sector showed varied performance, with Jin Jing Technology closing at 5.66, up 0.35%, and Honghe Technology closing at 32.69, down 2.97% [1][2] - The trading volume and turnover for major stocks included Jin Jing Technology with 1.3483 million shares traded and a turnover of 770 million yuan, while Honghe Technology had 179,700 shares traded with a turnover of 596 million yuan [1][2] Capital Flow - The glass and fiberglass sector saw a net outflow of 331 million yuan from institutional investors, while retail investors had a net inflow of 399 million yuan [2] - The capital flow for individual stocks indicated that major stocks like Honghe Technology and Jiu Ding New Materials experienced significant net outflows from institutional and speculative funds [3]

Core Viewpoint - Changhai Co., Ltd. has experienced a stock price decline of 2.06% on November 4, with a current price of 14.24 CNY per share, despite a year-to-date increase of 34.42% [1] Financial Performance - For the period from January to September 2025, Changhai Co., Ltd. achieved a revenue of 2.359 billion CNY, representing a year-on-year growth of 24.02%, and a net profit attributable to shareholders of 257 million CNY, up 27.16% year-on-year [2] - The company has cumulatively distributed 711 million CNY in dividends since its A-share listing, with 264 million CNY distributed over the past three years [3] Stock Market Activity - As of November 4, the stock has seen a trading volume of 61.54 million CNY and a turnover rate of 1.74%, with a total market capitalization of 5.82 billion CNY [1] - The stock has been on the "龙虎榜" (a list of stocks with significant trading activity) once this year, with a net buy of 66.83 million CNY on July 1 [1] Shareholder Information - As of September 30, 2025, the number of shareholders increased by 38.97% to 22,200, while the average circulating shares per person decreased by 28.04% to 11,089 shares [2] - Notably, two funds, 嘉实领先优势混合A and 招商量化精选股票发起式A, have exited the top ten circulating shareholders [3] Business Overview - Changhai Co., Ltd. specializes in the research, production, and sales of fiberglass products and composite materials, with 76.78% of its revenue coming from fiberglass and related products, 21.78% from chemical products, and 1.44% from fiberglass reinforced plastics [1]

Industry Investment Rating - The investment rating for the construction materials industry is "Outperform the Market" and is maintained [1] Core Views - The construction materials industry is currently at a cyclical bottom in terms of profitability, with leading companies in various segments performing in line with expectations. For instance, China Jushi in the fiberglass sector has seen a significant year-on-year improvement in profitability, while companies like Rabbit Baby have also reported substantial profit improvements due to investment income. Other leading companies such as Oriental Yuhong, Beixin Building Materials, Qibin Group, and Jianlang Hardware are also showing signs of bottoming out in their fundamentals. It is anticipated that stock prices may break out of the bottom range under the influence of policy catalysts and market style shifts [4][5] Summary by Relevant Sections Cement - Demand for cement has shown a slight month-on-month improvement, primarily due to infrastructure projects and better weather conditions, although year-on-year demand remains down. The overall demand is still in a weak recovery phase, influenced by weather disruptions and the pace of demand release. In September 2025, the monthly cement production was 154 million tons, down 8.6% year-on-year [5][10] Glass - The glass industry is experiencing a continuous decline in demand due to the impact of real estate. Short-term demand during the traditional peak season has shown limited improvement, and inventory levels among intermediaries remain relatively high. The supply-demand imbalance persists, with limited improvement in downstream terminal demand. The industry is expected to face increased environmental requirements and costs, accelerating the pace of cold repairs [5][17] Fiberglass - The fiberglass sector is witnessing a price recovery, with price increases of 5%-10% reported. The demand for electronic yarns is driven by the AI industry, leading to a significant increase in both volume and price. The demand is expected to continue growing alongside AI developments [6] Consumer Building Materials - The profitability of the consumer building materials sector has reached a bottom, with prices having no further downward space after years of competition. The sector is strongly advocating for price increases and profitability improvements, with several categories like waterproofing, coatings, and gypsum boards issuing price increase notices this year. A recovery in profitability is anticipated for leading companies in the second half of the year [6] Recent Company Announcements - Conch Cement reported Q3 revenue of 20 billion yuan, down 11.4% year-on-year, but net profit increased by 3.4% year-on-year to 1.94 billion yuan, benefiting from cost reductions and improved gross margins. Q3 revenue for Qibin Group was 4.39 billion yuan, up 18.9% year-on-year, with a net profit of 20 million yuan, marking a return to profitability [19][20][22]