山东联创产业发展集团股份有限公司 2025 年半年度报告全文 山东联创产业发展集团股份有限公司 2025 年半年度报告 2025-049 2025 年 8 月 16 日 1 山东联创产业发展集团股份有限公司 2025 年半年度报告全文 第一节 重要提示、目录和释义 公司董事会、监事会及董事、监事、高级管理人员保证半年度报告内容的真实、准 确、完整，不存在虚假记载、误导性陈述或者重大遗漏，并承担个别和连带的法律责任。 公司负责人王宪东、主管会计工作负责人王宪东及会计机构负责人(会计主管人员)韩 晓静声明：保证本半年度报告中财务报告的真实、准确、完整。 所有董事均已出席了审议本次半年报的董事会会议。 公司存在市场竞争风险、环保风险、安全生产风险、政策变化风险，敬请广大投资者 注意投资风险。详细内容见本报告"第三节 管理层讨论与分析"中" 十、公司面临的风 险和应对措施"。 公司计划不派发现金红利，不送红股，不以公积金转增股本。 2 | 第一节 | 重要提示、目录和释义 2 | | --- | --- | | 第二节 | 公司简介和主要财务指标 6 | | 第三节 | 管理层讨论与分析 9 | | 第四节 | 公司 ...

Core Viewpoint - ST Lianchuang (300343.SZ) has indicated that the company is not currently involved in the production of fluorinated liquid electronic cooling products, but its fourth-generation refrigerants can be utilized for cooling AI computing hardware [1] Company Summary - ST Lianchuang does not have any current involvement in fluorinated liquid electronic cooling products [1] - The company's fourth-generation refrigerants are applicable for AI computing hardware cooling [1]

Group 1 - The company announced a share repurchase plan on August 4, with a total fund amounting to no less than 50 million yuan and no more than 100 million yuan [1] - The repurchase price will not exceed 8 yuan per share, and the implementation period is set to be within 12 months from the board's approval date [1] - As of July 31, 2025, the company has repurchased a total of 12.1049 million shares, accounting for 1.13% of the total share capital, with a total expenditure of 50.1949 million yuan (excluding transaction fees) [1]

Group 1 - The company ST Lianchuang (300343.SZ) announced a share buyback program, having repurchased a total of 12,104,900 shares as of July 31, 2025, which represents 1.13% of the total share capital [1] - The shares were repurchased through a special securities account via centralized bidding, with a maximum transaction price of 4.28 yuan per share and a minimum transaction price of 3.93 yuan per share [1] - The total amount spent on the share buyback reached approximately 50.194917 million yuan, excluding transaction fees [1]

2、根据《深圳证券交易所创业板股票上市规则（2024 年修订）》第 9.9 条 规定，公司因触及第 9.4 条第七项情形，其股票交易被实施其他风险警示期间， 应当至少每月披露一次差错更正进展公告，直至披露行政处罚决定所涉事项财务 会计报告更正公告及会计师事务所出具的专项核查意见等文件。 一、实施其他风险警示的原因 公司于 2025 年 3 月 19 日收到山东监管局下发的《行政处罚事先告知书》， 根据《事先告知书》认定的情况，公司涉及的违法违规行为触及《深圳证券交易 所创业板股票上市规则（2024 年修订）》第 9.4 条第一款第（七）项规定的被 实施其他风险警示情形，公司股票于 2025 年 3 月 25 日起被实施其他风险警示， 具体内容详见公司在巨潮资讯网上披露的《关于公司股票被实施其他风险警示暨 停复牌的公告》（公告编号：2025-006）。 二、采取的措施及进展情况 证券代码：300343 证券简称：ST联创 公告编号：2025-044 山东联创产业发展集团股份有限公司 关于公司股票被实施其他风险警示相关事项的进展公告 本公司及董事会全体成员保证公告内容真实、准确和完整，没有虚假记载、 误导性陈述或 ...

二、其他说明 山东联创产业发展集团股份有限公司（以下简称"公司"）于 2025 年 4 月 8 日召 开第四届董事会第二十三次会议，审议通过《关于回购公司股份方案的议案》，同意公 司以自有资金通过集中竞价交易方式回购部分公司发行的人民币普通股（A 股）。本次 回购的资金总额不低于人民币 5,000 万元（含）且不超过人民币 10,000 万元（含）， 回购价格不超过人民币 8.00 元/股，实施期限自公司董事会审议通过最终回购股份方案 之日起不超过 12 个月。具体内容详见公司于 2025 年 4 月 8 日在巨潮资讯网 （www.cninfo.com.cn）披露的《关于回购公司股份方案的公告》（公告编号：2025-009）。 根据《上市公司股份回购规则》《深圳证券交易所上市公司自律监管指引第 9 号 ——回购股份》的有关规定，回购期间，公司应当在每个月的前三个交易日内披露截至 上月末的回购进展情况。现将公司回购公司股份的情况公告如下： 一、回购公司股份的进展情况 截至 2025 年 7 月 31 日，公司通过回购专用证券账户，以集中竞价交易方式累计 回购公司股份 12,104,900 股，占目前公司总股本的 ...

证券代码：300343 证券简称：ST 联创 公告编号：2025-043 山东联创产业发展集团股份有限公司 关于控股股东部分股份解除质押的公告 截至公告披露日，上述股东所持质押股份情况如下： | | | | | | | | 已质押股份 | | 未质押股份 | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | | | | 累计被 | 占其所 | 占公司 | 情况 | | 情况 | | | 股东 名称 | 持股数 | 量 | 持股 比例 | 质押股 | 持股份 | 总股本 | 已质押股 份限售和 | 占已质 | 未质押 股份限 | 占未质 | | | | | | 份数量 | 比例 | 比例 | 冻结、标 | 押股份 比例 | 售和冻 | 押股份 比例 | | | | | | | | | 记数量 | | 结数量 | | | 李洪 | 1297218 | | 12.1 | 2213 万 | 17.06% | 2.07% | 0 | 0% | 0 | 0% | | 国 | 10 | 股 | 4% | 股 | | | | | ...

Investment Rating - The report assigns an "Increase" rating for the industry [4]. Core Viewpoints - The second-generation refrigerant quota is set to be reduced as scheduled, while the third-generation refrigerant policy will continue, leading to an optimized supply-demand structure under quota constraints. Prices for second and third-generation refrigerants are expected to maintain an upward trend in 2025, indicating a favorable refrigerant market cycle. Domestic companies with strong comprehensive capabilities, complete product matrices, and advanced technology reserves will benefit from the refrigerant quotas [2][17]. Summary by Sections Market Review & Key Announcements - During the week of July 14-18, 2025, the fluorochemical sector saw significant stock price increases, with Zhongxin Fluorine Materials rising by 14.34%, Dongyue Group by 4.25%, and Yonghe Co. by 3.26% [7]. - Key announcements include Haohua Technology expecting a net profit of 590 million to 650 million yuan for H1 2025, a year-on-year increase of 10% to 21.18%. Juhua Co. anticipates a revenue of 11.712 billion yuan, a 27.29% increase year-on-year, with net profit projections of 1.970 billion to 2.130 billion yuan, reflecting a year-on-year growth of 136% to 155% [7][8]. Industry Dynamics: Refrigerant Price Trends - Refrigerant prices continue to rise, with R22 priced at 36,000 yuan/ton, R32 at 53,500 yuan/ton, R134A at 50,000 yuan/ton, and others showing varying weekly and monthly increases. The cost side shows stability with prices for raw materials like fluorite and sulfuric acid remaining relatively unchanged [10][11]. Inventory Levels and Operating Rates - Inventory levels are normal, with R22, R32, R134A, and R125 stocks at 4,165 tons, 3,843 tons, 3,305 tons, and 2,697 tons respectively, indicating a healthy supply situation. Operating rates for refrigerants have increased, with R22 at 55.42% and R32 at 66.20% as of June 2025 [12]. Demand Side: Production and Export Growth - The production of air conditioners reached 163.296 million units in the first half of 2025, a year-on-year increase of 3.97%, while exports totaled 41.05 million units, up 6.85% year-on-year [14]. Investment Recommendations - The report recommends investing in Juhua Co. and Dongyue Group, with related stocks including Sanmei Co., Haohua Technology, and Yonghe Co. These companies are expected to benefit from the favorable market conditions and strong domestic capabilities [17][18].

Group 1 - The PVDF concept sector experienced a decline of 1.65%, ranking among the top declines in concept sectors, with major declines seen in companies like Sanmei Co., Ltd., Juhua Co., Ltd., and Shenzhen New Star [1][2] - Among the PVDF concept stocks, only two stocks saw price increases, with Jinming Precision Machinery rising by 1.46% and ST Lianchuang by 0.59% [1][2] - The main capital outflow from the PVDF concept sector today was 297 million yuan, with 12 stocks experiencing net outflows, and six stocks seeing outflows exceeding 10 million yuan [2][3] Group 2 - Juhua Co., Ltd. had the highest net capital outflow of 123.45 million yuan, followed by Dongyangguang with 99.37 million yuan and Putailai with 22.80 million yuan [2][3] - The stocks with the highest net capital inflow included Haohua Technology, Jinming Precision Machinery, and Sanmei Co., Ltd., with inflows of 23.99 million yuan, 5.89 million yuan, and 3.76 million yuan respectively [2][3] - The trading volume for Juhua Co., Ltd. was 2.10%, while the trading volume for Jinming Precision Machinery was 4.04% [3]

Industry Overview - Polyether polyols are essential raw materials for polyurethane, widely used in furniture, automotive, home appliances, and building insulation industries [1][12] - In 2024, China's polyether polyol production is projected to reach 5.48 million tons, a year-on-year increase of 7.07% [1][12] - Despite reaching a record high, the industry's capacity utilization rate remains below 70%, with intense competition in low-end products [1][12] - High-end specialty polyethers account for less than 30% of the market, with an import dependency exceeding 15%, indicating significant room for industrial upgrades [1][12] Industry Development History - The development of China's polyether polyol industry has gone through four stages, starting from 1980 to 1992, with the establishment of the largest polyether facility in Tianjin [4] - From 1993 to 1999, the industry experienced rapid growth, with production capacity reaching 260,000 tons per year by the end of 1996, a nearly 50% increase from 1994 [4] - The period from 2000 to 2010 focused on technological innovation, with significant advancements in production techniques and government support for new materials [4] - Since 2010, the industry has entered a phase of green development, with production capacity reaching 7.85 million tons by 2023, but with a capacity utilization rate of only about 63.16% [5][6] Industry Chain - The upstream of the polyether polyol industry includes basic chemical raw materials such as propylene oxide and ethylene oxide, as well as initiators and catalysts [8] - The midstream involves the production and manufacturing of polyether polyols, while the downstream applications span automotive, soft furniture, and footwear sectors [8] Current Industry Status - The demand for polyether polyols is driven by the continuous growth of the Chinese economy and consumption upgrades, leading to a steady increase in production [12] - The industry faces challenges such as low-end product homogenization and a need for higher-end product development [12] Key Companies' Performance - Wanhua Chemical, as a leading player, holds a 7% market share in the domestic polyether polyol market, with a production capacity of 1.59 million tons per year [14][16] - Longhua New Material focuses on high solid content and low VOC products, achieving a revenue of 5.513 billion yuan in 2024, a year-on-year increase of 12.28% [18] Industry Development Trends 1. **Accelerated Green Transformation and High-end Development** - The industry is moving towards green low-carbon transformation, with leading companies investing in bio-based raw material technologies [20] - Wanhua Chemical plans to establish a 100,000-ton/year bio-based polyether facility by 2025, reducing carbon emissions by 40% compared to traditional methods [20] 2. **Diversification of Market Demand and Structural Upgrades** - The demand structure is evolving, with traditional soft foam polyols growing slowly while new applications in cold chain logistics and electric vehicles are surging [21][22] 3. **Integration of Industry Chain and Deepening Global Layout** - The industry concentration is increasing, with leading companies enhancing cost advantages through vertical integration [23] - Wanhua Chemical has achieved over 80% self-sufficiency in propylene oxide, significantly reducing costs compared to purchasing raw materials [23]