益丰新材闯上市：营收连降，核心原料依赖关联方，马韵升家族控股

Core Viewpoint - Yifeng New Materials Co., Ltd. has submitted its IPO application to the Shenzhen Stock Exchange, aiming to raise 844 million yuan for various projects, including high-refractive optical resin materials and digital construction [1][4]. Company Overview - Yifeng New Materials, formerly known as Shandong Yifeng Biochemical Environmental Protection Co., Ltd., changed its name in November 2021 after withdrawing its previous IPO application for the Sci-Tech Innovation Board [3]. - The company focuses on organic sulfur chemistry and optical new materials, producing key products such as thiourea and polysulfide materials [6][10]. Financial Performance - The company reported a decline in revenue from 714 million yuan in 2022 to 625 million yuan in 2023, with a further drop to 602 million yuan in 2024 [15][16]. - The net profit for the years 2022, 2023, and 2024 was approximately 135 million yuan, 137 million yuan, and 139 million yuan, respectively, indicating minimal growth [17]. Investment Projects - The planned investment projects include: - High-refractive optical resin materials project: 419.26 million yuan - High-end functional materials cyclic olefin project: 137.97 million yuan - R&D center construction project: 134.48 million yuan - Digital construction project: 112.88 million yuan - Marketing channel construction project: 39.67 million yuan [5]. Market Position - Yifeng New Materials holds a 5.33% market share in the global polysulfide curing agent market, with an estimated market size of 992 million yuan in 2024 [8]. - The company is a leading producer of thiourea, with a 26.40% market share in a global market valued at approximately 851 million yuan in 2024 [8]. Shareholding Structure - The major shareholders include Ma Yunsheng (32.45%) and Wan Chunling (12.66%), with the Ma family collectively holding nearly 50% of the company [23][24]. - The company has undergone shareholding changes, including instances of shareholding representation, which have been resolved [22][23]. R&D and Innovation - Yifeng New Materials has invested in R&D, with expenses of 22.07 million yuan in 2024, representing 3.67% of its revenue [22]. - The company holds 148 domestic patents and has participated in setting international standards for thiourea [21].