内容概要：发泡聚乙烯材料由于具有独特的多孔结构和优异的隔热、缓冲保护、轻质化、耐腐蚀等特 性，成为最早工业化应用的发泡材料之一，广泛应用于基础设施、建筑、家居生活等领域。我国泡沫塑 料制造行业自20世纪80年代起步后，在产业政策的大力支持下，凭借国内完善的上下游产业链及生产成 本优势，迎来了高速发展的历程。近年来，随着人们的生活水平、健康意识和环保意识不断提高，新型 泡沫塑料，如发泡聚乙烯材料由于挥发性有机物含量低，生产环节和使用环节均具有绿色环保优势，已 在我国广泛使用，市场需求不断增加。据统计，2024年，我国聚乙烯泡沫塑料产品市场规模从2018年的 12.82亿美元增长至24.01亿美元，预计2026年我国聚乙烯泡沫塑料产品市场规模有望达到26.73亿美元。 上市企业：沃尔核材（002130.SZ）、祥源新材（300980.SZ）、润阳科技（300920.SZ） 相关企业：积水化学工业株式会、东丽株式会社、深圳市长园特发科技有限公司、浙江新恒泰新材料股 份有限公司 关键词：发泡聚乙烯材料行业壁垒、发泡聚乙烯材料行业产业链、发泡聚乙烯材料市场规模、发泡聚乙 烯材料市场竞争格局、发泡聚乙烯材料行业发展趋势 ...

Summary of Key Points Core Viewpoint The Beijing Stock Exchange (BSE) has seen a decrease in trading volume and value over the past week, with a total of 287 listed companies as of December 21, 2025. The market is also witnessing new listings and applications for IPOs, indicating ongoing activity despite the recent declines in trading metrics. Trading Metrics - As of December 21, 2025, the BSE has 287 listed companies with a total share capital of 39.676 billion shares and a circulating share capital of 25.312 billion shares [2] - For the week of December 22-27, 2025, the trading volume was 4.634 billion shares, a decrease of 6.63% week-over-week [3] - The trading value for the same week was 99.934 billion yuan, down 11.68% from the previous week [3] - The average trading price was 21.57 yuan, reflecting a decrease of 5.41% [3] - The BSE 50 Index fell by 1.19% to 1463.04 points, with 28 stocks rising and 22 falling [3] New Listings and IPO Applications - During the week of December 22-27, 2025, one company was listed, and one company opened for subscription [6][12] - A total of 9 companies had their IPO applications accepted, while 4 companies passed the review process [6][38] - As of December 27, 2025, there are 160 companies awaiting review, with 13 accepted, 121 under inquiry, and 14 submitted for registration [6] Recent IPOs - Jiangtian Technology (江天科技) was listed on December 25, 2025, becoming the 287th company on the BSE, with a first-day closing price of 47.85 yuan, up 180.58% from its issue price [8][9] - The company aims to raise 531 million yuan for the construction of a comprehensive R&D and manufacturing base [9] - For the first three quarters of 2025, Jiangtian Technology reported a revenue of 468 million yuan, a year-on-year increase of 10.85%, and a net profit of 89.11 million yuan, up 11.45% [11] Upcoming IPOs - Hengtong Optoelectronics (蘅东光) opened for subscription on December 23, 2025, with a target of raising 323.8 million yuan [13] - The company reported a revenue of 1.315 billion yuan for 2024, a significant increase of 91.38% year-on-year, and a net profit of 224 million yuan, up 123.75% [16] - Other companies, including Miro Technology (觅容科技) and Meiya Technology (美亚科技), have submitted registration applications, aiming to raise 314 million yuan and 200 million yuan, respectively [19][22] Companies Passing Review - Four companies passed the listing committee review during the week, including Ying's Holdings (英氏控股) and Longyuan Co., Ltd. (隆源股份) [24][26] - Ying's Holdings reported revenues of 1.974 billion yuan for 2024, with a net profit of 210 million yuan [25] - Longyuan Co., Ltd. aims to raise 560 million yuan for projects related to new energy systems [28] Companies Completing Counseling - A total of 28 companies completed their counseling work during the week [68] - These companies are preparing for their IPOs, indicating a robust pipeline for future listings on the BSE [68]