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、对外投资基本情况 会通新材料股份有限公司（以下简称"公司"）于2025年10月25日披露，为推动上游聚合产线建设以实现 更好的技术成果转化，进一步完善"聚合一改性"一体化平台建设，公司拟于上海碳谷绿湾产业园租赁厂 房并成立全资子公司，负责开展"高温尼龙和PEEK聚合项目"，项目总投资8,100万元。具体内容详见 2025年10月25日在上海证券交易所网站（www.sse.com.cn）披露的《会通新材料股份有限公司关于对外 投资的自愿性披露公告》（公告编号：2025-070）。 二、本次对外投资进展情况 公司名称：上海会通聚合材料有限公司 类型：有限责任公司(非自然人投资或控股的法人独资) 统一社会信用代码：91310116MAK0JCP331 注册资本：人民币2000.0000万元整 2025年11月20日，本次投资的项目公司已完成工商注册登记手续，并取得上海市金山区市场监督管理局 颁发的《营业执照》，具体信息如下： 经营范围：一般项目：工程塑料及合成树脂销售；新材料技 ...

证券代码：688219 证券简称：会通股份 公告编号：2025-079 会通新材料股份有限公司 关于对外投资进展的自愿性公告 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、对外投资基本情况 统一社会信用代码：91310116MAK0JCP331 注册资本：人民币2000.0000万元整 成立日期：2025年11月20日 法定代表人：秦怀礼 住所：上海市金山区金山卫镇秋实路688号2幢(碳谷绿湾经济小区)。 经营范围：一般项目：工程塑料及合成树脂销售；新材料技术研发；技术服务、技术开发、技术咨询、 技术交流、技术转让、技术推广；货物进出口。(除依法须经批准的项目外，凭营业执照依法自主开展 经营活动) 会通新材料股份有限公司（以下简称"公司"）于2025年10月25日披露，为推动上游聚合产线建设以实现 更好的技术成果转化，进一步完善"聚合一改性"一体化平台建设，公司拟于上海碳谷绿湾产业园租赁厂 房并成立全资子公司，负责开展"高温尼龙和PEEK聚合项目"，项目总投资8,100万元。具体内容详见 2025年10月25日在上海 ...

证券日报网讯 11月21日晚间，会通股份发布公告称，会通新材料股份有限公司（以下简称"公司"）于 2025年10月25日披露，为推动上游聚合产线建设以实现更好的技术成果转化，进一步完善"聚合—改 性"一体化平台建设，公司拟于上海碳谷绿湾产业园租赁厂房并成立全资子公司，负责开展"高温尼龙和 PEEK聚合项目"，项目总投资8，100万元。2025年11月20日，本次投资的项目公司已完成工商注册登记 手续，并取得上海市金山区市场监督管理局颁发的《营业执照》。 （文章来源：证券日报） ...

Core Viewpoint - The article summarizes significant announcements from various listed companies in the Shanghai and Shenzhen stock markets, highlighting investment opportunities and financial performance. Group 1: Major Announcements - Yueda Investment has established joint ventures with China Resources Power and others to invest in offshore wind power projects, holding 20% and 30% stakes in two projects with total investments of 2 billion and 3.9 billion yuan respectively, enhancing its position in the renewable energy sector [4] - Hunan Development plans to invest 2.4 billion yuan in a photovoltaic power generation project with a capacity of 800MW, scheduled for construction from 2026 to 2029 [8] - Longjiang Power's controlling shareholder has received a loan commitment of up to 7.2 billion yuan for stock repurchase, with 2.531 billion yuan already spent on acquiring shares [9] - Huitong Co. plans to invest 81 million yuan in a high-temperature nylon and PEEK polymerization project [10] - Wiston intends to acquire a 36.7483% stake in Liangtou Technology and increase its investment, making it a subsidiary [11] Group 2: Financial Performance - Jincai Hulin reported a net profit increase of 1697.84% year-on-year for the first three quarters, despite a revenue decline of 17.32% [15] - Guoxuan High-Tech's net profit surged by 1434.42% in Q3, with a revenue increase of 20.68% [16] - Tian'ao Electronics achieved a net profit growth of 1329.08% in Q3, despite a revenue decline [18] - Morning Light Bio's net profit increased by 385.3% year-on-year for the first three quarters, despite a slight revenue decline [19] - Donggang Co. reported a net profit increase of 373.51% in Q3, driven by growth in its smart card and printing businesses [20] Group 3: Other Notable Financial Results - Xinjiang Tianye's Q3 net profit rose by 363.19%, while its revenue increased by 8.6% [21] - Jinkai Biotechnology reported a net profit growth of 339.92% in Q3, with a revenue increase of 11.27% [22] - Antong Holdings saw a net profit increase of 311.77% in Q3, with a revenue growth of 18.85% [23] - Wen Tai Technology's net profit grew by 265.09% in Q3, despite a significant revenue decline [25] - Chahua Co. reported a 240.5% increase in Q3 revenue, driven by business restructuring [27]

Core Viewpoint - The company has made technological breakthroughs in high-temperature nylon and PEEK materials, aiming to enhance the upstream polymerization production line for better technology transfer and to further develop an integrated "polymerization-modification" platform [1] Group 1: Company Developments - The company signed a lease management agreement on October 24, 2025, with Shanghai Jinshan Second Industrial Zone Investment Co., Ltd. and Shanghai Datong Huimu New Energy-saving Materials Co., Ltd. [1] - The leased area in the Shanghai Carbon Valley Green Bay Industrial Park is approximately 7,644.87 square meters, where a wholly-owned subsidiary will be established [1] - The subsidiary will focus on the "high-temperature nylon and PEEK polymerization project," with a total investment of 81 million yuan [1]