Group 1 - The chemical fiber sector increased by 2.81% on February 3, with Youfu Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 4067.74, up 1.29%, while the Shenzhen Component Index closed at 14127.1, up 2.19% [1] - Key stocks in the chemical fiber sector showed significant price increases, with Youfu Co., Ltd. rising by 6.60% to a closing price of 7.43 [1] Group 2 - The chemical fiber sector experienced a net outflow of 138 million yuan from institutional investors and 200 million yuan from speculative funds, while retail investors saw a net inflow of 339 million yuan [2] - The trading volume and turnover for various stocks in the sector varied, with Huafeng Chemical recording a turnover of 1.034 billion yuan [2] - The stock performance of individual companies showed mixed results, with some stocks like Nanjing Chemical Fiber declining by 1.18% [2] Group 3 - Major stocks like Youfu Co., Ltd. and Xin Fengming saw differing net inflows from institutional and retail investors, indicating varied investor sentiment [3] - Youfu Co., Ltd. had a net inflow of 23.86 million yuan from institutional investors, while retail investors showed a net outflow of 8.94 million yuan [3] - The overall market dynamics reflect a complex interaction between institutional, speculative, and retail investors within the chemical fiber sector [3]

Core Viewpoint - Youcai Resources (002998.SZ) announced that its subsidiary, Jiangsu Hengze Composite Materials Technology Co., Ltd. (referred to as "Hengze Technology"), has received a notification from the National Intellectual Property Administration granting an invention patent [1] Group 1: Patent Details - The patent granted is for a method of preparing regenerated low-melting-point polyester, which does not require the prior separation of polyester from low-melting-point components in waste polyester [2] - The invention addresses the core challenge of recycling mixed polyester waste by allowing direct conversion into regenerated low-melting-point polyester [2] - Another patent involves a method for preparing regenerated low-melting-point copolyester, which enhances the bonding properties while reducing energy consumption and production costs, facilitating high-value recycling of waste PET [2]

Group 1 - The core point of the article highlights that Youcai Resources announced the receipt of a patent grant notification from the National Intellectual Property Administration for two methods related to the preparation of recycled low-melting-point polyester and recycled low-melting-point copolyester [1] Group 2 - The article also reports on the bankruptcy liquidation of Baolide, a major automotive sales company known for selling luxury cars such as Rolls-Royce and Porsche, with its headquarters in Hangzhou now vacant and its subsidiary in Yiwu sealed [1]

| 证券代码：002998 | 证券简称：优彩资源 | 公告编号：2026-004 | | --- | --- | --- | | 债券代码：127078 | 债券简称：优彩转债 | | 2026 年 2 月 2 日 近日，优彩环保资源科技股份有限公司（以下简称"公司"）子公司江苏恒 泽复合材料科技有限公司（以下简称"恒泽科技"）收到国家知识产权局下发的 《授予发明专利权通知书》，具体情况如下： | 序号 | 专利类型 | 专利名称 | 申请号/专利号 | 专利权人 | 专利简介 本发明涉及一种再生低熔 | | --- | --- | --- | --- | --- | --- | | | | | | | 点聚酯及其制备方法和应 用。本发明无需预先分离 | | | | 一种再生低熔点聚酯 | | | 废旧聚酯中的聚酯与低熔 | | 1 | 发明专利 | 的制备方法 | 202511726579.4 | 恒泽科技 | 点聚酯组分，可直接将二 | | | | | | | 者共同转化为再生低熔点 | | | | | | | 聚酯，解决了混杂聚酯废 | | | | | | | 料回收利用的核心难题。 | | | | ...

Group 1 - The chemical fiber sector experienced a decline of 2.24% on January 26, with Tongyi Zhong leading the drop [1] - The Shanghai Composite Index closed at 4132.61, down 0.09%, while the Shenzhen Component Index closed at 14316.64, down 0.85% [1] - Key stocks in the chemical fiber sector showed mixed performance, with Youfu Co. rising by 3.55% to a closing price of 7.87, while Tongyi Zhong fell by 5.01% to 20.66 [2] Group 2 - The net outflow of main funds in the chemical fiber sector was 528 million yuan, while retail investors saw a net inflow of 440 million yuan [2] - The table of fund flows indicates that New Xiang Chemical Fiber had a main net inflow of 23.73 million yuan, while Youfu Co. had a net outflow of 61.85 million yuan [3] - The overall trading volume in the chemical fiber sector was significant, with Youfu Co. achieving a transaction amount of 443 million yuan [1]

Group 1 - The core point of the article is that Youcai Resources (002998) reported a total of over 18,400 accounts in its combined ordinary and margin trading accounts as of January 20, 2026 [1]

Market Overview - The chemical fiber sector increased by 0.25% compared to the previous trading day, with Youcai Resources leading the gains [1] - The Shanghai Composite Index closed at 4116.94, up 0.08%, while the Shenzhen Component Index closed at 14255.12, up 0.7% [1] Top Gainers in Chemical Fiber Sector - Youcai Resources (002998) closed at 8.64, up 6.27%, with a trading volume of 352,200 shares and a transaction value of 301 million yuan [1] - Baolidi (300905) closed at 38.06, up 5.11%, with a trading volume of 85,100 shares and a transaction value of 316 million yuan [1] - Mu Yi Zhong (688722) closed at 21.29, up 4.77%, with a trading volume of 107,400 shares and a transaction value of 226 million yuan [1] Top Losers in Chemical Fiber Sector - Jilin Gorge (920077) closed at 18.05, down 2.90%, with a trading volume of 120,300 shares and a transaction value of 217 million yuan [2] - Hengtian Hailong (000677) closed at 4.44, down 2.20%, with a trading volume of 229,600 shares and a transaction value of 102 million yuan [2] - Suzhou Longjie (603332) closed at 14.33, down 1.85%, with a trading volume of 153,000 shares and a transaction value of 217 million yuan [2] Fund Flow Analysis - The chemical fiber sector experienced a net outflow of 130 million yuan from institutional investors, while retail investors saw a net inflow of 191 million yuan [2] - The main stocks with significant net inflows from institutional investors included Zhongfu Shenying (688295) with 18.58 million yuan and Baolidi (300905) with 14.36 million yuan [3] - Retail investors showed a net inflow in Youcai Resources (002998) of 6.29 million yuan despite a net outflow from institutional and speculative funds [3]

Group 1 - The A-share market continues to show strength in the chemical sector, with notable stock increases including Hongbaoli up 9%, Jujiao Co. up 8%, and Rike Chemical up 6% [1] - The benchmark price for propylene oxide on January 21 is reported at 8233.33 yuan/ton, reflecting a 6.47% increase compared to the beginning of the month [1] - Over the past week (January 12 to 18), the price of propylene oxide has surged by 7.9%, leading the chemical market [1] Group 2 - Key stock performances include: - Hongbaoli with a market cap of 6.992 billion yuan and a year-to-date increase of 25.79% [2] - Jujiao Co. with a market cap of 4.897 billion yuan and a year-to-date increase of 27.46% [2] - Rike Chemical with a market cap of 3.598 billion yuan and a year-to-date increase of 15.87% [2] - Other notable stocks include Aladdin up 5.52%, Youcai Resources up 5.41%, and Qiaoyuan Co. up 5.23%, all showing strong year-to-date performance [2]

Core Viewpoint - The company Youcai Resources (002998.SZ) has announced the completion and trial production phase of its "Comprehensive Utilization of Waste Textiles 80,000 Tons/Year (Phase II) Project" funded by the public offering of convertible bonds [1] Group 1 - The project has recently been completed and is now entering the trial production stage [1]

Group 1 - The core point of the article is that Youcai Resources (002998.SZ) has announced the completion and trial production phase of its "Comprehensive Utilization of Waste Textiles 80,000 tons/year (Phase II) Project" funded by the public offering of convertible bonds [1] Group 2 - The project is now in the trial production stage, indicating progress in the company's operational capabilities [1] - The investment in this project reflects the company's commitment to sustainable practices and resource utilization in the textile industry [1]