蔚蓝生物（603739.SH）10月14日在投资者互动平台表示，公司不存在生物可降解材料（如PHA）的业 务布局或生物基单体的研发项目。公司更多具体产品或项目信息请查阅公司在上海证券交易所网站披露 的定期报告。公司将严格按照《上海证券交易所股票上市规则》等相关规定进行公告，及时履行信息披 露义务，有关信息请以公司在上海证券交易所网站披露的相关公告为准。 （记者 胡玲） 每经AI快讯，有投资者在投资者互动平台提问：我们关注到，公司在2024年年报中提及"合成生物学技 术平台"是核心发展方向之一，而工信部等六部门也明确要求推动生物基材料研发与产业化。请问公 司： 在该平台下，关于生物可降解材料（如PHA）或生物基单体的研发目前是否已进入中试或产业化 准备阶段？ 是否有计划利用该技术平台，响应政策号召，向生物基化工材料领域进行拓展？ ...

Group 1 - The core viewpoint of the news highlights the significant stock price movement of Yuzhong Sanxia A, which experienced a "limit-up" trading day, closing at 9.96 yuan per share with a 7.10% increase and a trading volume exceeding 1.5 billion yuan [2] - Yuzhong Sanxia A is a major player in the paint production and sales industry in China, being a state-controlled enterprise with a comprehensive range of products, primarily the "Three Gorges" brand paint, used in various sectors including bridges and key national projects [5] - The company reported a revenue of 73.703 million yuan for Q1 2025, reflecting a year-on-year growth of 7.35%, and a net profit of 5.25 million yuan attributable to shareholders [5] Group 2 - The chemical products sector, including Yuzhong Sanxia A, has shown a collective upward trend, with several stocks in the sector experiencing significant gains, indicating a potential recovery in the chemical industry [6] - Market expectations regarding Yuzhong Sanxia A are divided, with some investors optimistic about its growth potential due to its technological advantages and market share expansion, while others express concerns about the sustainability of its stock price increase relative to actual profit growth [6] - The future outlook for the chemical products industry suggests potential growth driven by global economic integration and technological advancements, with traditional and emerging sectors expected to benefit from stricter environmental regulations and rapid developments in related industries [7]