9月29日晚间，海螺(安徽)节能环保新材料股份有限公司(以下简称"海螺新材（000619）")发布公告称， 公司拟以9527万元收购河南省华北工业塑料有限公司(以下简称"华北塑料")51%股权，交易完成后华北 塑料将成为其控股子公司，并纳入公司合并报表范围。 上海大学悉尼工商学院讲师王雨婷对《证券日报》记者表示，此次海螺新材收购股权计划，不仅是公司 寻求新业务发展的体现，也折射出传统企业在产业升级中的转型逻辑。 作为以PVC型材为核心业务的企业，海螺新材正处于行业发展瓶颈期。隆众资讯数据显示，截至目前， 国内PVC行业库存为130.05万吨，环比增加1.11%，PVC社会库存为95.37万吨，环比增加2.03%。 此外，海螺新材2025年上半年营收24.01亿元，同比下降9.70%，而归母净利润则亏损2899.82万元。在 此背景下，布局高附加值的高分子材料领域，成为突破业务增长瓶颈重要选择之一。 在技术层面，华北塑料的改性材料研发能力与海螺新材的规模化生产技术结合，可快速突破高端产品壁 垒，摆脱对传统PVC型材的依赖。在渠道方面，华北塑料的产品已销往全国多地，其成熟的销售网络与 海螺新材的建材渠道形成联动， ...

Group 1 - The event held on June 19 aimed to create an efficient platform for deepening industry services, enhancing communication, sharing experiences, and fostering cooperation in the plastic sheet and board industry [1] - Yiyuan has implemented an industrial strength strategy, significantly boosting the new materials sector, which has reached a production value of 131.5 billion [1] - The new materials industry in Yiyuan has developed a robust structure with three main segments: high polymer materials, inorganic non-metallic materials, and specialty metal materials [1] Group 2 - The plastic sheet and board industry is a key supporting industry in Yiyuan's development as a "Fiber New Materials City" [2] - Shandong Ruifeng High Polymer Materials Co., Ltd. is a leading producer of ACR processing aids and MBS impact modifiers, breaking foreign technology monopolies in high-end PVC board materials [2] - Shandong Botuo New Materials Co., a national-level specialized "little giant" enterprise, has advanced production lines with an annual output of 100,000 tons of PVC foam boards and other products, achieving international leading performance indicators [2] Group 3 - Shandong Ruifeng High Polymer Materials Co., Ltd. holds a leading position in the MBS impact modifier market, with over 80 national patents, including more than 50 invention patents [3] - The company has a comprehensive production capacity of over 200,000 tons for PVC additives, leading the industry in ACR/MBS production capacity [3] - The recent technology exchange and market docking event included lectures, investment promotions, and on-site observations, aiming to deepen collaboration with industry associations and enhance the new materials industry's high-quality development [3]