Group 1 - The company has changed its name from "Shanghai Weisaibo Environmental Technology Co., Ltd." to "Shanghai Weisaibo New Materials Co., Ltd." [1] - The English name remains "Wave Cyber (Shanghai) Co., Ltd." and the stock abbreviation "Weisaibo" with the stock code "688718" remains unchanged [1] - The name change was approved by the company's board and shareholders, and the necessary business registration procedures have been completed [1] Group 2 - The company has obtained a new business license from the Shanghai Municipal Market Supervision Administration reflecting the name change [1] - The registered capital of the company is RMB 173.754389 million [1] - The company was established on August 28, 2001, and is located at No. 899 Songying Road, Qingpu District, Shanghai [1]

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、准确性和完整性依法承担法律责任。 证券代码：688718 证券简称：唯赛勃 公告编号：2025-021 上海唯赛勃新材料股份有限公司 关于公司名称变更完成工商变更登记的公告 成立日期：2001 年 08 月 28 日 住所：上海市青浦区崧盈路 899 号 经营范围：设计和生产水处理设备及其相关配套零部件，销售自产产品，并 提供产品技术服务。（依法须经批准的项目，经相关部门批准后方可开展经营活 特此公告。 上海唯赛勃新材料股份有限公司（以下简称"公司"）于 2024 年 12 月 3 日召开第五届董事会第十九次会议，审议通过《关于拟变更公司全称的议案》， 同意将公司中文全称由"上海唯赛勃环保科技股份有限公司"变更为"上海唯赛 勃新材料股份有限公司"。英文全称 "Wave Cyber(Shanghai)Co., Ltd. "，证券 简称"唯赛勃"，证券代码"688718"保持不变。上述事项已经公司 2024 年第 三次临时股东会审议通过。具体内容详见公司于 2024 年 12 月 4 日在上海证券交 易所网站（w ...

二、董事会会议审议情况 （一）审议通过《关于注销前次境外投资的议案》 公司拟于 2017 年向美国子公司进行增资，后因资金需求及安排发生变化， 该项目投资未能落实到位。截止目前，公司自 2017 年 6 月取得的该项《企业境 外投资证书》已失效，现申请注销前次境外投资。 证券代码：688718 证券简称：唯赛勃 公告编号：2025-020 上海唯赛勃环保科技股份有限公司 第五届董事会第二十二次会议决议公告 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，准确性和完整性依法承担法律责任。 一、董事会会议召开情况 2025 年 6 月 27 日，上海唯赛勃环保科技股份有限公司（以下简称"公司"） 以现场会议的方式召开了第五届董事会第二十二次会议。本次会议通知及相关 材料公司已于 2025 年 6 月 17 日以专人和通讯等方式送达各位董事。本次会议 由公司董事长谢建新先生主持，会议应出席董事 6 人，实际出席董事 6 人。 本次会议的召集、召开和表决程序符合《中华人民共和国公司法》等法律 法规、部门规章、规范性文件和《上海唯赛勃环保科技股份有限公司章程》（以 ...

证券代码：688718 证券简称：唯赛勃 公告编号：2025-019 上海唯赛勃环保科技股份有限公司 关于对外投资设立合资公司暨关联交易的公告 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、准确性和完整性依法承担法律责任。 司，开展气体分离膜产品的研发、生产和销售，实现多方的战略合作及优势互补。 合资公司注册资本 1,000 万元，公司以自有资金出资 510 万元，占比 51%；上海 咫荟以自有资金出资 150 万元，占比 15%；天津智汇以知识产权和专业技能入股， 占比 34%。因公司高管樊智锋先生为上海咫荟的控股股东，故本次投资涉及关联 交易。 （二）本次交易的目的和背景 气体膜分离采用通过膜表面选择性渗透的概念，用于从不同直径的气体混合 物中分离气体，与其他气体分离技术相比，具有资本成本低、寿命长、能耗低等 优势。作为一种高效、节能的气体分离技术，气体膜分离广泛应用于氧气分离、 氮气回收、碳捕集、工业气体处理等能源、化工、医疗、环保等领域。得益于能 源与化工需求驱动、全球环保政策推动、产业升级需求、应用领域拓展等因素， 气体分离膜市场正处于快速发展 ...

Overview of the Investment and Related Transactions - Shanghai Weisaibo Environmental Technology Co., Ltd. plans to jointly invest with Tianjin Zhihui Membrane Technology Research Co., Ltd. and Shanghai Zhihui Management Partnership (Limited Partnership) to establish a joint venture named "Shanghai Weisaibo Zhihui Membrane Technology Development Co., Ltd." with a registered capital of 10 million yuan [1][2] - The company will contribute 5.1 million yuan, accounting for 51% of the joint venture, while Shanghai Zhihui will contribute 1.5 million yuan (15%), and Tianjin Zhihui will contribute through intellectual property and professional skills, accounting for 34% [1][2] Purpose and Background of the Investment - The joint venture aims to develop, produce, and sell gas separation membrane products, leveraging strategic cooperation and complementary advantages among the partners [2] - Gas membrane separation technology is recognized for its low capital costs, long lifespan, and low energy consumption, making it suitable for various applications in energy, chemicals, medical, and environmental sectors [2][3] - The global gas separation membrane market is experiencing rapid growth, driven by energy and chemical demands, global environmental policies, and industrial upgrades, with significant potential in the Chinese market [2] Company and Partner Profiles - The company has over 20 years of experience in high-performance membrane technology, focusing on research and application, and has established a comprehensive innovation system from basic formulation research to industrial production [3] - Tianjin Zhihui is backed by a leading research platform at Tianjin University, led by renowned experts in membrane materials, which will enhance the joint venture's technological and market capabilities [3] Related Party Transactions - The investment constitutes a related party transaction due to the involvement of the company's vice president, who is the controlling shareholder of Shanghai Zhihui [3][4] - The independent directors and the board's audit committee have approved the investment, confirming it aligns with the interests of the company and all shareholders [6][7] Impact of the Investment - Establishing the joint venture is expected to expand the company's product offerings, enhance competitiveness, and create new economic growth points, contributing to long-term value [7] - The funding for the investment will come from the company's own resources and will not significantly impact its financial status or operational results [7]

重要内容提示： 上海唯赛勃环保科技股份有限公司（以下简称"公司"）拟与天津智汇 膜科技研究有限公司（以下简称"天津智汇"）、上海咫荟管理合伙企业（有限 合伙）（以下简称"上海咫荟"）共同投资设立"上海唯赛勃智汇膜科技发展有 限公司" （最终以市场监督管理部门登记为准，以下简称"合资公司"）。上 海咫荟为公司副总经理樊智锋先生控股并担任执行事务合伙人的企业。合资公司 注册资本 1,000 万元，公司以自有资金出资 510 万元，占比 51%；上海咫荟以自 有资金出资 150 万元，占比 15%；天津智汇以知识产权和专业技能入股，占比 34%。 上海唯赛勃环保科技股份有限公司 关于对外投资设立合资公司暨关联交易的公告 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、准确性和完整性依法承担法律责任。 证券代码：688718 证券简称：唯赛勃 公告编号：2025-019 根据公司战略发展需要，公司拟与天津智汇、上海咫荟共同出资设立合资公 司，开展气体分离膜产品的研发、生产和销售，实现多方的战略合作及优势互补。 合资公司注册资本 1,000 万元，公司以自有资金出资 ...

Group 1 - The core viewpoint of the news is that Weisaibo (688718.SH) plans to establish a joint venture with Tianjin Zhihui and Shanghai Zhihui to develop, produce, and sell gas separation membrane products, aiming for strategic cooperation and complementary advantages [1] - The registered capital of the joint venture is 10 million yuan, with Weisaibo contributing 5.1 million yuan (51%), Shanghai Zhihui contributing 1.5 million yuan (15%), and Tianjin Zhihui contributing through intellectual property and expertise (34%) [1] - The investment involves a related party transaction due to the company's executive, Mr. Fan Zhifeng, being the controlling shareholder of Shanghai Zhihui [1] Group 2 - Gas membrane separation technology is characterized by selective permeation through membrane surfaces, offering advantages such as lower capital costs, longer lifespan, and lower energy consumption compared to other gas separation technologies [1] - The gas separation membrane market is experiencing rapid growth driven by energy and chemical demand, global environmental policies, industrial upgrades, and expansion of application fields, with significant potential in the Chinese market [1] - The company has over 20 years of experience in the high-performance roll-type separation membrane field, focusing on R&D and application, and has established a comprehensive innovation system from basic formulation research to industrial production [2] - The joint venture will leverage the technological R&D, market channels, and talent reserves of both parties to enhance product application areas and improve the company's overall competitive strength [2]

Group 1 - The annual general meeting of Shanghai Weisaibo Environmental Technology Co., Ltd. was held on May 20, 2025, with no rejected proposals [2][3] - The total share capital of the company as of the registration date for the meeting was 173,754,389 shares, with 906,648 shares in the repurchase account excluded from voting rights [2] - The meeting was conducted with a combination of on-site and online voting, in compliance with the Company Law and the company's articles of association [3] Group 2 - All 6 current directors and 3 current supervisors attended the meeting, along with the board secretary and other senior executives [4] - A total of 12 proposals were reviewed and approved during the meeting, including the 2024 annual report, financial budget for 2025, and the profit distribution plan for 2024 [5][6][7] - The meeting's voting procedures were confirmed to be legal and valid by the witnessing law firm, Guohao Law Firm (Shanghai) [8]

证券代码：688718 证券简称：唯赛勃 公告编号：2025-018 上海唯赛勃环保科技股份有限公司 2024年年度股东大会决议公告 本公司董事会及全体董事保证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、准确性和完整性依法承担法律责任。 重要内容提示： 本次会议是否有被否决议案：无 一、 会议召开和出席情况 （一） 股东大会召开的时间：2025 年 5 月 20 日 （二） 股东大会召开的地点：上海市青浦区崧盈路 899 号公司 2 楼会议室 （三） 出席会议的普通股股东、特别表决权股东、恢复表决权的优先股股东及 其持有表决权数量的情况： | 1、出席会议的股东和代理人人数 | 27 | | --- | --- | | 普通股股东人数 | 27 | | 2、出席会议的股东所持有的表决权数量 | 116,962,072 | | 普通股股东所持有表决权数量 | 116,962,072 | | 3、出席会议的股东所持有表决权数量占公司表决权数量的比 | 67.6677 | | 例（%） | | | 普通股股东所持有表决权数量占公司表决权数量的比例（%） | 67.6677 | 注：截至 ...

法律意见书 國 浩 律 師 事 務 所 GRANDALL LAW FIRM 上海市山西北路 99 号苏河湾中心 25-28 楼 邮编: 200085 电话: (8621) 5234-1668 传真: (8621) 5243-3320 网址: http://www.grandall.com.cn 国浩律师(上海)事务所 股东会法律意见书 国浩律师(上海)事务所 国浩律师(上海)事务所 关于 上海唯赛勃环保科技股份有限公司 2024 年年度股东会的 关于上海唯赛勃环保科技股份有限公司 2024 年年度股东会的法律意见书 致:上海唯赛勃环保科技股份有限公司 上海唯赛勃环保科技股份有限公司(以下简称"公司")2024 年年度股东 会(以下简称"本次股东会")现场会议于 2025年 5 月 20 目(星期二)下午 14:30 在上海唯赛勃环保科技股份有限公司二楼会议室召开。国浩律师(上海) 事务所(以下简称"本所")接受公司的委托,指派沈文律师、王浚曦律师(以 下简称"本所律师")出席会议并见证。现依据《中华人民共和国公司法》《中 华人民共和国证券法》和《上海唯赛勃环保科技股份有限公司章程》(以下简称 "《公司章程》" ...