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]

证券代码：300343 证券简称：ST联创 公告编号：2025-042 山东联创产业发展集团股份有限公司 关于回购公司股份的进展公告 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、 误导性陈述或重大遗漏。 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。 ...

关于公司股票被实施其他风险警示相关事项的进展公告 证券代码：300343 证券简称：ST联创 公告编号：2025-041 山东联创产业发展集团股份有限公司 1、公司收到《事先告知书》后立即采取行动，组织财务等各相关部门以及 年审会计师事务所工作人员就《事先告知书》涉及的情况进行仔细梳理、研判并 开始内部整改工作。针对相应财务报表的差错更正及追溯调整工作尚在有序开展 中。公司将尽快对相应年度的财务信息进行追溯重述，会计师事务所届时将对此 出具专项审核意见。 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、 误导性陈述或重大遗漏。 特别提示： 1、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 3 月 22 日披露了《关于收到中国证券监督管理委员会<行政处罚事先告知书>的公 告》（公告编号：2025-005），公司收到中国证监会山东监管局（以下简称"山 东监管局"）出具的《行政处罚事先告知书》﹝2025﹞4 号（以下简称"《事先 告知书》"）。根据《深圳证券交易所创业板股票上市规则（2024 年修订）》 第 9.4 条规定，公司股票于 2025 年 3 月 25 日起被实施 ...

证券代码：300343 证券简称：ST联创 公告编号：2025-039 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、 误导性陈述或重大遗漏。 特别提示： 1、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 3 月 22 日披露了《关于收到中国证券监督管理委员会<行政处罚事先告知书>的公 告》（公告编号：2025-005），公司收到中国证监会山东监管局（以下简称"山 东监管局"）出具的《行政处罚事先告知书》﹝2025﹞4 号（以下简称"《事先 告知书》"）。根据《深圳证券交易所创业板股票上市规则（2024 年修订）》 第 9.4 条规定，公司股票于 2025 年 3 月 25 日起被实施其他风险警示。 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。 ...

证券代码：300343 证券简称：ST联创 公告编号：2025-040 山东联创产业发展集团股份有限公司 二、其他说明 公司回购股份的时间、回购股份数量、回购股份价格及集中竞价交易的委托时间均 符合《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》等有关规定。 1、公司未在下列期间回购股份： 关于回购公司股份的进展公告 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、 误导性陈述或重大遗漏。 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 ...

Core Viewpoint - The fluorochemical industry in China has achieved significant growth, with the market size projected to increase from 58.85 billion yuan in 2022 to 91.58 billion yuan in 2024, indicating strong overall market demand and rising product value [1][7]. Group 1: Overview of Fluorinated New Materials - Fluorinated new materials are organic polymer compounds formed by replacing hydrogen atoms in the main or side chains with fluorine atoms, resulting in polymers with excellent properties such as high-temperature resistance, chemical corrosion resistance, and low flammability [2][4]. - These materials are increasingly important in various industries, including defense, aerospace, automotive, and electronics, due to their unique characteristics [2][4]. Group 2: Industry Chain of Fluorinated New Materials - The industry chain for fluorinated new materials includes raw materials like fluorite and sulfuric acid, with hydrogen fluoride as a basic product. These materials are crucial for high-end manufacturing, environmental protection, and new energy sectors [9]. - The rapid development of fluorinated new materials is driven by their applications in solar energy, lithium-ion batteries, and fuel cells, leading to an expanding market space and promising future prospects [9]. Group 3: Upstream Raw Materials - China is a major producer of fluorite, with an estimated production of 6.3 million tons in 2023, accounting for approximately 70% of global output. The consumption structure shows that fluorochemical applications dominate, representing over 50% of fluorite usage [11]. Group 4: Downstream Application Areas - In the lithium-ion battery sector, the total production is expected to reach 1170 GWh in 2024, with a year-on-year growth of 24%. Fluorinated materials like lithium hexafluorophosphate and PVDF are essential for battery components [15][17]. - The photovoltaic sector is also growing, with new installed capacity projected at 277.57 GW in 2024, making it the second-largest power source in China. Fluorinated materials such as PVDF and PVF are widely used in solar panel backings [22][24]. Group 5: Policy Support for Fluorinated New Materials - Various local governments in China are implementing policies to support the development of fluorinated new materials, aiming to enhance the overall self-sufficiency of chemical new materials and promote high-end applications [6][13]. Group 6: Future Trends - The fluorinated new materials market is expected to continue expanding due to ongoing developments in downstream applications and increased R&D efforts, leading to technological breakthroughs and broader product applications [30].

证券代码：300343 证券简称：ST 联创 公告编号：2025-038 山东联创产业发展集团股份有限公司 2024 年度股东大会决议公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假 记载、误导性陈述或重大遗漏。 特别提示： 1、本次股东大会无增加、变更、否决提案的情况。 2、本次股东大会不涉及变更以往股东大会已通过的决议。 一、会议召开和出席情况 （一）会议召开情况 山东联创产业发展集团股份有限公司（以下简称"公司"）2024 年度股东大 会（以下简称"本次会议"）于 2025 年 5 月 20 日下午 14:00，在淄博市周村区恒 通路 979 号（华安新材）2 楼会议室以现场投票和网络投票相结合的方式召开。网 络投票通过深圳证券交易所交易系统和互联网投票系统提供的网络投票平台进行。 通过深圳证券交易所交易系统进行网络投票的具体时间为：2025 年 5 月 20 日上午 9:15～9:25，9:30～11:30，下午 13:00～15:00；通过深圳证券交易所互联网投票 系统的具体时间为：2025 年 5 月 20 日上午 9:15～下午 15:00。 本次会议由公司董事会召集，由 ...