Core Viewpoint - The article discusses the environmental impact assessment (EIA) public announcement for Inner Mongolia Shuangxin Environmental Protection Materials Co., Ltd.'s project to produce 150,000 tons of vinyl acetate (VAC) and 60,000 tons of special polyvinyl alcohol (PVA) annually, highlighting its significance in enhancing the company's competitive edge in the green chemical new materials sector [2][3]. Group 1: Project Overview - The total investment for the project is approximately 201.17 million yuan, which includes the construction of 150,000 tons/year VAC and 60,000 tons/year special PVA [3]. - This project is a key initiative for Shuangxin Environmental to extend and supplement its PVA industrial chain, aiming to improve the circular economy by integrating various downstream products [3]. Group 2: Product Significance - Polyvinyl alcohol (PVA) is a water-soluble biodegradable polymer with various properties such as adhesion, fiber formation, emulsification stability, gas barrier, film-forming, and biodegradability, making it suitable for applications in fine chemicals, green construction, packaging, and pharmaceuticals [3]. - The project will enable the development of special PVA products for high-end applications, thereby increasing the company's value-added product offerings [3]. Group 3: Company Background - Inner Mongolia Shuangxin Environmental Protection Materials Co., Ltd. was established in June 2009 with a registered capital of 86 million yuan, focusing on the R&D, production, and sales of PVA and its related products [4]. - The company has a comprehensive industrial chain layout for PVA, with calcium carbide serving as a fundamental raw material for producing various important chemical materials [4].

证券代码：600063 股票简称：皖维高新 编号：临 2025-034 安徽皖维高新材料股份有限公司 2025 年第一季度主要经营数据公告 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 完整性承担个别及连带责任 根据上海证券交易所《上市公司行业信息披露指引第十八号— —化工》的有关要求，安徽皖维高新材料股份有限公司（以下简称 "公司"）现将 2025 年第一季度主要经营数据公告如下： 注： 1、上表中，公司熟料销量低于产量的原因为部分熟料产品用作生产水泥产品的 原料；公司 VAE 乳液销量低于产量的原因为部分 VAE 乳液产品用作可再分散性胶粉产品 的原料。2、上表中，销售量包括贸易销售量。 二、报告期公司主要产品和原材料的价格变动情况： （一）主要产品价格波动情况 单位：元/吨（不含税） | 醋酸乙烯 | 5,215.66 | 6,363.51 | -18.04% | | --- | --- | --- | --- | | 水泥 | 212.01 | 203.90 | 3.98% | | 熟料 | 207.23 | 191.40 | 8.27 ...