有人检查反应釜的温度、压力等参数，有人在银色的溶解釜前将黏稠的成品——GYC147缓缓注入 崭新的镀锌桶内……12月29日，在沈阳中化新材料科技有限公司聚合平台中试装置前，技术人员正忙碌 着。"这就是中试的产品了，别看这个中试装置规模不大，作用至关重要。"公司研发工程师郎福山介 绍。 "我们的科研与中试项目主要针对国内空白，以解决行业内迫切需求为主。"弓玮透露，平台通过技 术熟化、产品试制、工艺改进、实验验证等多种途径，实现中试关键技术突破，提升产品性能或实现高 端产品国产化。 比如高端弹性体中试线，打造了全流程自动化中试验证平台。通过攻克关键技术瓶颈，掌握了高端 苯乙烯基聚合物的分子结构设计与精准调控能力。目前已完成NZJ中试项目，成功开发出高性能SEPS产 品，达到国际先进水平，实现对进口材料的高端替代，解决了该领域长期存在的"卡脖子"问题。 "该技术已向国内企业转让SEPS技术工艺包，并承接其高端热塑性弹性体（SEBS）系列化开发委 托，充分验证了技术的成熟度及平台在特种高分子材料领域强大的工程化转化与商业化服务能力。"弓 玮强调。目前公司已成功入选首批国家级制造业中试平台。"'十五五'期间，我们将发挥 ...

Core Viewpoint - The successful launch of the Shanghai Jinshan Baling New Materials Company's 250,000-ton SBC project marks a significant breakthrough in high-end new materials supply capabilities for Sinopec [1][4]. Group 1: Company Overview - Hunan Petrochemical is one of the earliest companies in China to achieve industrial production of SBC elastomers, establishing a leading SBS production facility in the 1980s and SEBS in 2006, breaking foreign technology monopolies [4]. - The company has a total SBC elastomer production capacity of 800,000 tons, with 380,000 tons from its headquarters, 170,000 tons from Hainan Baling New Materials Company, and 250,000 tons from Shanghai Jinshan Baling New Materials Company [1][4]. Group 2: Production and Capacity - The Shanghai Jinshan Baling New Materials Company, which began production in November, has a capacity of 140,000 tons for SBS, 50,000 tons for SEBS, and 60,000 tons for SIS [5]. - Hunan Petrochemical's rubber department achieved a cumulative SBC elastomer production of over 300,000 tons in the first eleven months of the year, with a 19% year-on-year increase in sales of new specialty products [8]. Group 3: Technological Advancements - The projects in collaboration with Hainan Refining and Shanghai Petrochemical utilize Sinopec's proprietary technology, significantly improving environmental protection, energy consumption control, and production efficiency compared to traditional methods [4]. - The company’s self-developed SBS and SEBS technologies have won national science and technology awards, enhancing China's core competitiveness in high-end synthetic rubber [4]. Group 4: Market Applications - SBC elastomers are versatile materials combining the processing ease of plastics with the high elasticity of rubber, suitable for high-value applications such as infant products, medical devices, 5G cables, and eco-friendly synthetic leather [8].

Core Viewpoint - The article highlights the achievements of Liang Hongwen in the field of thermoplastic elastomers, particularly in the development of SEBS and SEPS, showcasing China's advancements in this industry and the importance of independent innovation [2][3][4]. Group 1: Achievements and Recognition - Liang Hongwen has received numerous awards, including one National Science and Technology Progress Award and ten provincial and ministerial-level awards, along with 75 domestic and 1 foreign authorized invention patents [1]. - He was honored as a "National Labor Model" by the All-China Federation of Trade Unions prior to the May Day holiday this year [1]. Group 2: Development of SEBS - In the 1990s, Liang Hongwen initiated the independent research and development of SEBS, overcoming significant technical challenges and achieving industrial production in 2006 with the establishment of China's first 10,000-ton industrial facility [2]. - His team has developed 18 different grades of SEBS and secured over 20 national invention patents, marking a significant advancement in China's SEBS technology [2]. Group 3: Advancements in SEPS - Following the success with SEBS, Liang Hongwen's team focused on SEPS, leading to the establishment of a 20,000-ton annual production facility in 2017, making China the third country to industrialize SEPS using proprietary technology [3]. Group 4: Industry Impact and Applications - Liang Hongwen's team has been instrumental in transitioning the thermoplastic rubber industry from expansion to refinement, contributing to various sectors including medical and tire manufacturing [4]. - In the medical field, they developed a specialized medical-grade SEBS to replace harmful PVC, significantly reducing costs and enhancing public health [4]. - In tire manufacturing, they created synthetic rubber materials that meet high-performance tire production requirements, achieving breakthroughs in product development from 2017 to 2023 [4].

Core Viewpoint - Zhejiang Zhongcheng, a leader in the POF shrink film industry, reported a decline in revenue and net profit for 2024, emphasizing its commitment to high-end and differentiated products despite challenging market conditions [1] Group 1: Financial Performance - In 2024, Zhejiang Zhongcheng achieved operating revenue of 1,710.15 million yuan and net profit of 74.17 million yuan, representing a year-on-year decrease of 1.05% and 28.71% respectively [1] - The company maintained stable sales performance with POF shrink film sales exceeding 45,000 tons, solidifying its market leadership [1] Group 2: Market Position and Strategy - Since 2009, Zhejiang Zhongcheng has ranked first in domestic production and sales of POF shrink film, and second globally, only behind Sealed Air Corporation [1] - The company focuses on its main business, channels, and products to strengthen its core operations amid increasing competition and market pressures [1] Group 3: Product Development and Innovation - Zhejiang Zhongcheng is committed to increasing investment in technology development and continuously launching high-end products, with a growing proportion of high-end product revenue [1] - The company’s subsidiary, Zhongli Synthetic Materials, has developed a series of differentiated products, overcoming several foreign technology barriers [2] - The company plans to enhance existing product processes and develop new products, including a 10μ smooth film and high barrier cover films, to create new advantages in product and technology [3] Group 4: Industry Recognition and Standards - In 2024, Zhejiang Zhongcheng received multiple honors, including being recognized as an excellent brand enterprise in China and a champion in the manufacturing sector in Zhejiang Province [2] - The company was also a key contributor to the national standard for "Packaging Materials - Polyolefin Shrink Film" [2]

Core Viewpoint - Longhong High-Tech (605008) reported a significant increase in revenue and net profit for 2024, with revenue reaching 3.634 billion yuan, marking a historical high, and a non-GAAP net profit growth of 844% [1][2] Financial Performance - In 2024, Longhong High-Tech achieved a revenue of 3.634 billion yuan, a year-on-year increase of 157%, while net profit was 94 million yuan, a decline of 0.83% [1] - The company's non-GAAP net profit was 69 million yuan, reflecting an 844% increase year-on-year, primarily due to the economic benefits from its subsidiary's PBAT black masterbatch project [1][2] - Inventory decreased by 53.68% compared to the previous year, reaching the best level in nearly three years, and operating cash flow net amount was 349 million yuan, up 49.67% year-on-year [2] R&D and Innovation - Longhong High-Tech has consistently invested in technological innovation, solidifying its leading position in the industry [2][3] - The subsidiary, Longhong Bio, is the first in China to produce PBAT black masterbatch using aromatic oil as raw material, achieving superior product quality compared to market averages [2] - The company upgraded its PBT products to cover a full range of grades, enhancing product quality and diversifying its offerings [2] Market Position and Future Plans - Longhong High-Tech is a leading player in the TPES market, currently ranking third in production capacity nationwide [1] - The company plans to explore applications of TPES products in advanced fields such as robotics and automotive lightweighting, marking a new direction in its 2025 operational strategy [5] - Longhong High-Tech aims to expand its production capacity with new projects, including a 50,000-ton/year high-end fiber elastic material project and a 100,000-ton/year PBAT black masterbatch facility [4][5]