Core Viewpoint - The company, Changzhou Langbo Sealing Technology Co., Ltd., anticipates a significant increase in net profit for the first half of 2025, projecting a rise of over 50% compared to the same period last year [2][4]. Group 1: Performance Forecast - The company expects a net profit attributable to shareholders of the parent company to be between 18 million to 20 million yuan, an increase of 5.96 million to 7.96 million yuan, representing a year-on-year growth of 49.51% to 66.12% [2][4]. - The projected net profit, excluding non-recurring gains and losses, is estimated to be between 17.2 million to 19.2 million yuan, reflecting an increase of 6.8862 million to 8.8862 million yuan, which corresponds to a year-on-year increase of 66.77% to 86.16% [2][4]. Group 2: Previous Year’s Performance - In the first half of 2024, the total profit was approximately 13.9 million yuan, with a net profit attributable to shareholders of the parent company at around 12.04 million yuan [6]. - The net profit, after excluding non-recurring gains and losses, was about 10.31 million yuan [6]. Group 3: Reasons for Performance Increase - The company has been expanding its customer base in the new energy vehicle sector, leading to a growth in order volume, particularly in the sales of O-rings and shaft seals, which has driven an increase in revenue [8]. - Enhanced management practices, increased investment in automation equipment, and improvements in production processes have contributed to higher overall production efficiency and an increase in gross profit margin [8].

证券代码：301020 证券简称：密封科技 公告编号：2025-030 烟台石川密封科技股份有限公司 关于持股 5%以上股东协议转让股份完成过户登记的公告 本公司原持股5%以上股东烟台厚瑞投资中心（有限合伙）及持股5%以上股东 上海惠璞投资管理有限公司保证向本公司提供的信息内容真实、准确、完整，没 有虚假记载、误导性陈述或重大遗漏。 本公司及董事会全体成员保证公告内容与信息披露义务人提供的信息一致。 重要内容提示： 1、本次协议转让股份全部为无限售流通股，过户完成后，烟台厚瑞投资中 心（有限合伙）不再持有烟台石川密封科技股份有限公司（以下简称"公司"） 任何股份，不再是公司持股 5%以上的股东；上海惠璞投资管理有限公司持有公 司 6.55%股份，成为公司持股 5%以上的股东，截至 2025 年 6 月 25 日为公司第三 大股东。 2、本次股份协议转让受让方承诺在协议转让过户登记完成后的 12 个月内不 以任何形式减持本次协议转让所受让的公司股份，在上述承诺期间内，如发生资 本公积转增股本、派送股票红利、配股等产生新增股份，亦遵守该不减持承诺。 一、本次协议转让股份基本情况概述 本公司原持股 5%以上股东烟台 ...

证券代码：301020 证券简称：密封科技 公告编号：2025-029 烟台石川密封科技股份有限公司 关于完成公司法人工商变更登记及章程备案的公告 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。 一、基本情况说明 烟台石川密封科技股份有限公司（以下简称"公司"）于 2025 年 5 月 14 日召开 2025 年第一次临时股东大会和第四届董事会第一次会议，分别审议通过 《关于修订<公司章程>及部分管理制度的议案》《关于选举公司第四届董事会董 事长的议案》。修订了《公司章程》并选举公维军先生为公司董事长。根据《公 司章程》规定，董事长为公司的法定代表人。具体内容详见公司于 2025 年 5 月 14 日在巨潮资讯网（www.cninfo.com.cn）披露的相关公告。 二、变更后营业执照情况 4、法定代表人：公维军 5、经营范围：生产各种密封板材、金属涂胶板、橡胶件、内燃机气缸密封 垫片及附属垫片、发动机隔热罩；密封技术研发、技术咨询；高分子材料的研发、 生产；并销售上述自产产品。（涉及配额许可证管理、专项规定管理的商品按国 家有关规定办理，依法须经批准的项目， ...

Core Viewpoint - The company has announced its 2024 annual profit distribution plan, which includes a cash dividend of 1.60 RMB per 10 shares, approved by the shareholders' meeting held on April 10, 2025 [1]. Group 1: Profit Distribution Plan - The profit distribution plan is based on a total share capital of 146,400,000 shares, with a cash dividend of 1.60 RMB per 10 shares to all shareholders, with no stock dividends [1]. - The remaining undistributed profits will be carried forward to future years [1]. - The cash dividend will be adjusted if there are changes in the company's share capital before the implementation of the distribution plan [1]. Group 2: Key Dates - The record date for the rights distribution is set for May 28, 2025, and the ex-dividend date is May 29, 2025 [2]. Group 3: Distribution Method - The cash dividends will be directly credited to the shareholders' accounts through their securities companies or other custodial institutions on the ex-dividend date [2]. - Shareholders must ensure their securities accounts have sufficient shares during the distribution application period from May 19, 2025, to May 28, 2025 [2]. Group 4: Taxation Details - The company will not withhold individual income tax at the time of distribution; instead, tax will be calculated based on the holding period when shares are sold [1][2]. - For investors holding shares for one year or less, a tax payment of 0.16 RMB per 10 shares will be required; those holding shares for more than one year will not need to pay additional tax [2]. Group 5: Shareholder Commitments - Shareholders who committed to not reducing their holdings within two years after the lock-up period must adhere to a minimum selling price that is not lower than the issue price, with adjustments for any dividends or capital increases [2]. Group 6: Consultation Information - The company provides consultation services at its address in Yantai, Shandong, with contact details for inquiries [3].

证券代码：301020 证券简称：密封科技 公告编号：2025-028 烟台石川密封科技股份有限公司 2024 年年度权益分派实施公告 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。 2. 自权益分派方案披露至实施期间公司股本总额未发生变化。 3. 本次实施的权益分派方案与股东大会审议通过的权益分派方案一致。 4. 本次实施权益分派方案距离公司股东大会审议通过的时间未超过两个月。 二、本次实施的权益分派方案 本公司 2024 年年度权益分派方案为：以公司现有总股本 146,400,000 股为 基数，向全体股东每 10 股派 1.600000 元人民币现金（含税；扣税后，境外机构 （含 QFII、RQFII）以及持有首发前限售股的个人和证券投资基金每 10 股派 1.440000 元；持有首发后限售股、股权激励限售股及无限售流通股的个人股息 红利税实行差别化税率征收，本公司暂不扣缴个人所得税，待个人转让股票时， 根据其持股期限计算应纳税额【注】；持有首发后限售股、股权激励限售股及无 限售流通股的证券投资基金所涉红利税，对香港投资者持有基金份额部分按 10% 征 ...

Group 1 - The annual general meeting of Changzhou Langbo Sealing Technology Co., Ltd. was held on May 19, 2025, with no resolutions rejected [2][3] - The meeting was conducted in accordance with the Company Law and the Articles of Association, combining on-site and online voting methods [2][3] - All seven current directors and three supervisors attended the meeting, with the chairman presiding over the session [3] Group 2 - The following proposals were approved during the meeting: 2024 Board of Directors Work Report, 2024 Supervisory Board Work Report, 2024 Annual Report, 2024 Financial Settlement and 2025 Budget Report, 2024 Internal Control Evaluation Report, 2025 Directors' Compensation Plan, 2025 Supervisors' Compensation Plan, reappointment of the auditing firm for 2025, and the profit distribution plan for 2024 [4][5][6] - The proposal regarding the authorization of the board to formulate a mid-term dividend plan was also approved [6] - The meeting confirmed that the voting results were valid, with more than half of the voting rights held by attending shareholders in favor of the resolutions [6][7]

Group 1: Company Overview - Yantai Shichuan Sealing Technology Co., Ltd. is a state-owned enterprise with no current plans for major shareholder buybacks [2] - The company has seen a steady increase in sales of its coated boards in recent years, with a significant market opportunity in the sealing and brake system sectors [2] Group 2: Financial Performance - Sales revenue for 2023 and 2024 increased by 43% and 62.66% year-on-year, respectively [2] - Sales revenue for the non-asbestos sealing fiberboard reached 27.51 million in 2024, showing slight growth over the past three years [3] Group 3: Product Development - The company is focused on developing low relaxation rate non-asbestos sealing boards to replace high-end imported products [3] - The domestic non-asbestos sealing board market is still in its early stages, with product performance lagging behind high-end foreign counterparts [3] Group 4: Investor Relations Activity - The investor relations activity took place on May 15, 2025, via the "Panorama Roadshow" website [2] - The event did not involve any undisclosed significant information [3]

Core Points - The company has established a Compensation and Assessment Committee to enhance the evaluation system for directors and senior management [2][3] - The committee is responsible for researching assessment standards and proposing compensation policies for directors and senior management [2][3] - The committee consists of three directors, with independent directors making up more than half [3] - The committee's term aligns with that of the board, and it can be re-elected [3] - The committee is supported by a working group from the finance and human resources departments [3][8] - The committee is tasked with developing assessment standards and compensation policies, including stock incentive plans [8][4] - Recommendations from the committee regarding compensation must be approved by the board and then submitted to the shareholders' meeting for approval [4][8] - The committee must hold at least one meeting annually, with provisions for additional meetings as needed [6][7] - The assessment process for directors and senior management includes self-evaluations and performance metrics [13][14] - The committee can invite directors and senior management to attend meetings when necessary [15] - The committee has confidentiality obligations regarding the matters discussed in meetings [18]

Core Viewpoint - The document outlines the regulations and procedures for Yantai Shichuan Sealing Technology Co., Ltd. regarding external financial assistance, aiming to protect the interests of the company and its shareholders [1][5]. Group 1: General Provisions - The company and its subsidiaries are required to follow specific guidelines when providing financial assistance, whether compensated or not, to ensure compliance with relevant laws and regulations [1]. - Financial assistance includes actions such as providing funds or loans to subsidiaries formed with related parties [1]. Group 2: Approval Authority for Financial Assistance - Financial assistance must be approved by at least two-thirds of the attending board members and requires timely information disclosure [2]. - Certain conditions necessitate that financial assistance be submitted for shareholder meeting approval, such as when the recipient's audited debt-to-asset ratio exceeds 70% or when the assistance amount exceeds 10% of the company's latest audited net assets [2]. Group 3: Review of Financial Assistance - Before approving financial assistance, directors must understand the nature of the assistance, the recipient's basic information, and any associated risks [3][4]. - Directors are responsible for assessing the compliance, reasonableness, and repayment capability of the recipient [4]. Group 4: Additional Provisions - The company must not use idle raised funds for temporary liquidity support or change the use of raised funds to permanent liquidity support within twelve months after providing financial assistance [4]. - The document stipulates that the board has the authority to interpret and amend these regulations as necessary [5].

Core Points - The company aims to enhance its operational standards and ensure the authenticity, accuracy, completeness, and timeliness of its annual report disclosures [1] - The company has established a system to hold responsible parties accountable for significant errors in annual report disclosures [2][3] - The criteria for identifying significant accounting errors in financial reports are outlined, including thresholds based on total assets, net assets, revenue, and net profit [4][5] Group 1 - The company’s financial personnel must strictly adhere to accounting standards and internal control systems to ensure accurate financial reporting [1][2] - Significant errors in annual report disclosures include major accounting errors, substantial omissions, and discrepancies in performance forecasts [2][3] - The company will pursue accountability for significant errors, with a focus on direct and primary responsibility among board members and financial department heads [6][7] Group 2 - The company defines major accounting errors as those that could influence users' judgments about its financial status and results [3][4] - Specific thresholds for recognizing significant accounting errors include errors exceeding 5% of audited total assets, net assets, revenue, or net profit [4][5] - The company will take corrective actions and disclose any significant errors in previously published financial reports according to regulatory guidelines [5][6] Group 3 - The company’s board secretary is responsible for collecting and summarizing information related to significant errors, investigating causes, and preparing reports for board review [5][6] - The company will implement penalties for responsible parties based on the severity of the errors, including potential job-related consequences [7][8] - The board will disclose decisions regarding accountability for significant errors through temporary announcements [7][8]