纯碱行业供需及反内卷更新 20260227 摘要 纯碱生产工艺主要分为氨碱法、联碱法和天然碱法，其中天然碱法成本 最低，约为 600 元/吨，氨碱法成本约 1,300 元/吨，联碱法考虑副产品 氯化铵后成本约 1,000-1,100 元/吨。企业会根据轻重碱价差调整生产 结构，价差缩小时倾向于生产轻碱以降低成本。 国内纯碱产能结构正在发生变化，天然碱占比显著提升，从 2023 年的 6%提升至 2025 年的百分之十几，氨碱法占比下降，联碱法占比提升。 政策上，氨碱法因环保问题受限，天然碱法受支持，联碱法未见明显限 制。 2026 年纯碱新增产能投放节奏预计放缓，产量增量主要来自 2025 年 已投放装置的爬坡达产，如湖北和博源集团的天然碱项目。2027 年下 半年通辽项目一期 500 万吨产能预计投产。 国内纯碱行业集中度高，头部企业产能占比约 74%，主要集中在华北、 华中和西北区域。博源集团和河南金山是主要生产商，产能分别为 660 万吨（预计 2026 年达 780 万吨）和 640 万吨（新增后将超 800 万 吨）。 Q&A 纯碱产品结构中，轻质纯碱与重质纯碱的核心差异是什么？两者价差通常如何 形 ...

证券研究报告 | 2026年02月26日 2026年02月27日 策略月报 一页纸精读行业比较数据：2 月 投资链：2 月以来有色价格全面上升。25 年 12 月固定资产投资累计同比增 速下降至-3.80%，房地产开发投资累计同比降幅下降至-17.20%，制造业固 定资产投资累计同比增速下降至 0.60%，基础设施建设投资累计同比增速下 降至-1.48%。26 年 2 月以来铜、铝、锌、铅、锡、镍、黄金、白银价格上升； 26 年 2 月动力煤价格持平于 685 元/吨，焦煤价格持平；26 年 2 月普通水泥 平均价格下降；26 年 2 月以来钢材价格下降；26 年 2 月以来轻质纯碱价格 下降；26 年 1 月大型、轻型客车销量当月同比增速下降，中型客车当月同比 增速上升。 消费链：1 月汽车销量同比增速小幅回升。2025 年 12 月社消额当月名义同 比增速回落至 0.90%，累计名义同比增速回落 3.70%；25 年 12 月消费者信心 指数下降至 89.50；2025 年 12 月商品房销售面积累计同比增速降幅扩大， 增速下降至-9.53%；2026 年 1 月汽车销量当月同比增速上升至-3.18%；2 ...

Investment Chain - Non-ferrous metal prices have risen since February 2026, with fixed asset investment growth in December 2025 declining to -3.80%[1] - Real estate development investment in December 2025 saw a year-on-year decline of 17.20%[1] - Manufacturing fixed asset investment growth in December 2025 decreased to 0.60%[1] - Infrastructure investment growth in December 2025 fell to -1.48%[1] Consumption Chain - In December 2025, the nominal year-on-year growth rate of social consumption fell to 0.90%, with a cumulative decline of 3.70%[2] - The consumer confidence index in December 2025 dropped to 89.50[2] - In January 2026, automobile sales saw a year-on-year growth rate increase to -3.18%[2] - Home appliance retail sales in December 2025 experienced a year-on-year decline of 14.25%[2] Export Chain - In December 2025, exports to Japan and ASEAN saw a year-on-year growth increase, while exports to the US and EU declined[3] - The export growth rate for electronic products in December 2025 rose to 37.25%[3] - Textile export value in December 2025 decreased by 4.23% year-on-year[3] - Mechanical export value in December 2025 increased by 6.60% year-on-year[3] Price Chain - As of February 2026, the price of pork decreased to 12.75 yuan/kg[4] - WTI crude oil price increased to $65.63 per barrel on February 24, 2026[4] - PVC spot price rose to 4770 yuan/ton on February 24, 2026[4] - The average price of coal in Qinhuangdao increased in February 2026[4]

本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述或者重大遗漏，并对其内容 的真实性、准确性和完整性承担法律责任。 重要内容提示： ●四川和邦生物科技股份有限公司（以下简称"公司"）拟购买关联方重庆和友实业股份有限公司（以下 简称"重庆和友"）生产的纯碱65,000吨，单价1,017.70元/吨（含税单价1,150.00元/吨），交易总额 6,615.04万元（含税总额7,475.00万元）。 ●本次交易构成关联交易。 ●本次交易未构成重大资产重组。 ●本次交易已经公司第六届董事会第二十八次会议审议通过，无需提交公司股东会审议。 ●过去12个月内，包括本次交易，公司及子公司与重庆和友及其下属子公司已发生的各类关联交易总额 （已经公司董事会及股东会审议通过的日常关联交易除外）累计金额为9,497.98万元，占公司最近一期 经审计净资产绝对值0.5%以上。 一、关联交易概述 （一）本次交易的基本情况 公司董事会审议通过一次性买断重庆和友生产的纯碱65,000吨，单价1,017.70元/吨（含税单价1,150.00 元/吨），交易总额6,615.04万元（含税总额7,475.00万元）； 同时，重庆 ...

Core Viewpoint - The soda ash futures market is experiencing fluctuations due to changes in supply and demand dynamics, with a notable increase in inventory and production levels, while demand remains under pressure from the glass industry [1][3][5]. Group 1: Market Performance - As of January 9, 2026, the main contract for soda ash futures closed at 1228 CNY/ton, with a weekly K-line showing a downward trend and an increase in open interest by 217,876 contracts compared to the previous week [1]. - During the week of January 5-9, the soda ash futures opened at 1205 CNY/ton, reaching a high of 1277 CNY/ton and a low of 1170 CNY/ton, resulting in a weekly change of 1.57% [2]. Group 2: Inventory and Production - As of January 8, domestic soda ash manufacturers had a total inventory of 1.5727 million tons, an increase of 164,400 tons (11.67%) from the previous week. This includes 836,500 tons of light soda ash (up 104,300 tons) and 736,200 tons of heavy soda ash (up 60,100 tons) [3]. - The industry operating rate increased by 4.43%, and soda ash production rose by 8.11%. The commissioning of the second line at Alashan is expected to further enhance supply [3]. Group 3: Institutional Insights - According to Caixin Futures, soda ash demand is being negatively impacted by a decline in float glass production, with short-term growth in demand expected to be negative. However, demand for light soda ash may increase due to the expansion of lithium carbonate production and improved exports [5]. - The overall production capacity of soda ash is projected to reach 44.6 million tons by 2026, influenced by significant new capacity additions. This high capacity may lead to a production strategy focused on "production as needed," putting pressure on cost lines for ammonia soda production [5]. - Zhengxin Futures suggests that short-term fluctuations in soda ash prices are primarily driven by commodity sentiment, with limited changes in the fundamentals. The market outlook remains cautious, with a focus on potential rebounds in glass production [5].

Investment Rating - The report rates the chemical industry as "Outperform the Market" [1] Core Views - The report suggests focusing on undervalued leading companies in the industry, the impact of "anti-involution" on supply in related sub-industries, and the importance of self-sufficiency in electronic materials companies amid strong downstream demand and price increases in certain new energy materials [1][11] Summary by Sections Industry Dynamics - In the week of December 29 to January 4, 32 out of 100 tracked chemical products saw price increases, 29 saw declines, and 39 remained stable. The average price of 51% of products increased month-on-month, while 39% decreased, and 10% remained unchanged [10][30] - International oil prices rose slightly, with WTI crude oil futures closing at $57.32 per barrel, a weekly increase of 1.02%, and Brent crude oil futures at $60.75 per barrel, a weekly increase of 0.18% [10][31] Investment Recommendations - As of January 4, the TTM price-to-earnings ratio for the SW basic chemical sector is 25.69, at the 76.92 percentile historically, while the price-to-book ratio is 2.33, at the 61.13 percentile historically. The SW oil and petrochemical sector has a TTM price-to-earnings ratio of 13.92, at the 41.86 percentile historically, and a price-to-book ratio of 1.35, at the 46.17 percentile historically [11] - Recommended stocks include Wanhua Chemical, Hualu Hengsheng, Satellite Chemical, and others, with a focus on companies in emerging fields such as semiconductor materials, OLED materials, and new energy materials [11][19] Price Changes of Key Products - Glyphosate prices decreased to an average of 23,596 CNY/ton, down 2.50% week-on-week and 0.05% year-on-year. The market remains oversupplied with weak demand [32] - Epoxy propane prices fell to an average of 7,785 CNY/ton, down 3.89% week-on-week. The industry operating rate is 63.73%, a decrease of 2.42 percentage points [33] Market Performance - The basic chemical industry experienced a decline of 0.27% in the week, ranking 14th among 31 primary industries, while the oil and petrochemical industry rose by 3.92%, ranking 1st [10][11]

Group 1 - As of December 25, 2025, the total inventory of domestic soda ash manufacturers is 1.4385 million tons, a decrease of 61,900 tons from the previous week, representing a decline of 4.13% [1] - Light soda ash inventory is 735,500 tons, an increase of 6,300 tons week-on-week, while heavy soda ash inventory is 703,000 tons, a decrease of 68,200 tons [1] - On December 25, the price of light soda ash from Jiangsu Kunshan Jinggang decreased to 1,350-1,370 RMB/ton, while Jiangsu Jingshen Chemical's light soda ash price remained stable at 1,300 RMB/ton [1] Group 2 - According to Caixin Futures, the demand for heavy soda ash is negatively impacted by the decline in float glass production, with the annual demand growth expected to be slightly negative [3] - Light soda ash demand is anticipated to continue growing due to the expansion of lithium carbonate production capacity and improved exports, although the large base of soda ash production capacity will pressure cost lines [3] - Zhengxin Futures indicates that short-term commodity sentiment is decent, but fundamental changes in soda ash remain limited, with a mid-term trend expected to maintain a bearish outlook amid a supply surplus [3]

Core Viewpoint - The soda ash futures market continues to show a strong trend, with the main contract reaching 1192.00 CNY/ton, a significant increase of 2.05% [1] Industry Summary - As of December 18, 2025, the total inventory of domestic soda ash manufacturers is 1.4993 million tons, an increase of 0.005 million tons from the previous week, reflecting a growth rate of 0.33% [2] - The total inventory of domestic soda ash enterprises is 1.386 million tons (including some external warehouse inventories), which is an increase of 0.012 million tons from December 11, with a growth rate of 0.9% and a year-on-year decrease of 12.4%. Among this, the heavy soda ash inventory is 644,000 tons, which has decreased by 0.002 million tons, a decline of 0.3% [2] Institutional Perspectives - According to Jianxin Futures, the soda ash market is currently in a situation of strong supply and weak demand, with high inventory pressure that is difficult to resolve quickly. Although cost support is gradually emerging, the driving force remains limited. Without significant changes in the supply-demand structure, prices are expected to continue fluctuating at low levels, with a cautious approach recommended towards rebound trends [4] - According to Wukuang Futures, as enterprises resume production and new capacity in the Alashan region is expected to be released, market supply pressure is gradually becoming apparent. Downstream demand has not shown significant improvement, with procurement mainly focused on just-in-time inventory replenishment, leading to low stocking willingness. Additionally, increased cold repairs in glass production lines further suppress demand for soda ash. In the short term, without significant positive stimuli, soda ash prices are expected to remain under pressure [4]

Core Viewpoint - The domestic soda ash market is currently experiencing a stable yet fluctuating trend, with prices remaining steady across various regions, but overall market sentiment is cautious due to supply pressures and weak demand [2][5]. Price Summary - Light soda ash prices in North China are stable at 1220-1320 CNY/ton, while heavy soda ash prices range from 1160-1320 CNY/ton [2]. - In East China, light soda ash prices are between 1200-1620 CNY/ton, and heavy soda ash prices are at 1260-1320 CNY/ton [2]. - Other regional prices for light and heavy soda ash remain unchanged, indicating a lack of significant market movement [1][2]. Market Dynamics - The industry is facing a supply surplus due to limited new maintenance and a slight increase in operational load from some facilities [2]. - Downstream enterprises are primarily purchasing based on essential needs, showing low acceptance of high-priced soda ash, leading to a cautious market atmosphere [2]. - The recent performance of new orders from manufacturers has been mediocre, contributing to a lack of strong market support [2]. Price Index Analysis - As of December 10, the light soda ash price index is at 1202.86, remaining unchanged from the previous working day, while the heavy soda ash price index has decreased by 4.29 to 1197.14, reflecting a decline of 0.36% [3]. Futures Market - On December 10, the main soda ash futures contract SA2601 opened at 1123 CNY/ton and closed at 1094 CNY/ton, marking a daily decline of 2.93% [5]. - The market is under pressure due to new capacity coming online and the recovery of previously reduced production facilities, particularly the Alashan natural soda project, which has negatively impacted market sentiment [5]. - The overall industry fundamentals remain weak, compounded by a downturn in the downstream glass market, leading to a cautious trading environment [5]. Future Outlook - The industry is expected to see a slight increase in soda ash supply due to concurrent maintenance and resumption of production [6]. - Demand remains subdued, with companies primarily maintaining essential purchases, resulting in low trading activity [6]. - The soda ash market is anticipated to remain in a narrow range, with close attention needed on production dynamics and downstream inventory replenishment [6].

Core Viewpoint - The soda ash industry is facing challenges due to oversupply and weak demand, necessitating a shift from price competition to value competition through technological advancements and green manufacturing practices [1][4][5]. Group 1: Supply and Demand Dynamics - By 2025, the soda ash market is expected to experience a supply surplus and weak demand, with high inventory levels indicating a cyclical adjustment phase [2]. - Domestic soda ash production capacity is projected to exceed 40 million tons by 2024, with a production increase of 493.1 million tons year-on-year in the first three quarters of this year [2]. - The core downstream demand for soda ash comes from float glass, which accounts for 35%-40% of total demand, but new construction in the real estate sector has declined, limiting growth [2]. Group 2: Inventory Trends - Starting from March 2024, soda ash inventory rose from 400,000 tons to a peak of 1.9 million tons, stabilizing above 1.4 million tons [3]. - As of November 27, the total inventory of soda ash manufacturers was 1.409 million tons, with delivery warehouse inventory at 583,800 tons [3]. Group 3: Competitive Landscape - The industry is facing intensified homogenization, with some companies resorting to price competition, which has compressed overall profit margins [4]. - The price of heavy soda ash peaked at 3,681 yuan per ton in October 2021, but has since fluctuated between 1,218.57 and 1,344.29 yuan in the third quarter of this year [4]. - Natural soda ash is gaining market share due to its cost advantages, increasing from 5% in 2022 to 17% in 2025, positioning it favorably against other production methods [4]. Group 4: Path to Value Competition - The industry must transition from price competition to value competition, emphasizing technological and service upgrades to enhance competitiveness [5]. - There is a pressing need to develop high-value products for high-end sectors like renewable energy, which currently lack sufficient production capacity [5]. - Innovations in clean production methods and resource utilization are being prioritized, with companies exploring technologies such as using industrial waste salt for soda ash production [5]. Group 5: Collaborative Ecosystem and Global Expansion - Companies are shifting from independent operations to collaborative ecosystems, with industry leaders like China Salt Group leading initiatives to foster innovation through partnerships [6]. - Chinese soda ash production technology is being exported globally, exemplified by the launch of Indonesia's first soda ash project utilizing Chinese methods, contributing to the diversification of the global soda ash supply chain [6]. - The future of China's soda ash industry lies in enhancing high-end product supply, promoting green processes, and integrating value chains to establish a competitive edge in the global market [6].