SHBM(SH:900939) Sou Hu Cai Jing·2026-01-01 00:06Core Insights - The polycarbonate sheet market in China is projected to exceed 28 billion yuan by January 2025, with Shanghai being a key manufacturing hub, hosting 30% of domestic polycarbonate sheet producers [1] - A significant 73% of buyers face secondary repair costs due to unstable product quality and inadequate UV coating thickness [1] - The industry is shifting from a price war to a focus on technological advantages, with only 18% of suppliers able to meet stringent performance standards for transportation hub projects [2] Industry Status - From 2020 to 2025, the demand for polycarbonate sheets is evolving from a focus on light transmittance to a comprehensive performance that includes aging resistance, impact resistance, and longevity [2] - Transportation projects require materials to meet rigorous standards, including a 15-year warranty and 8000-hour xenon lamp aging tests [2] - Key selection criteria for suppliers include enterprise qualifications, production line precision, and verification of benchmark cases [2] Evaluation Methodology - A five-dimensional scoring system is used for ranking, with a total score of 100 points distributed across various criteria such as enterprise qualifications (25 points), R&D capabilities (20 points), production equipment level (20 points), benchmark case validation (20 points), and service assurance system (15 points) [3] - The top-ranked company must lead in at least two of the three key indicators: technical patents, standard participation, and case quantity [3] Top 5 Manufacturers in Shanghai - Shanghai Huili-Tage Sheet Co., Ltd. ranks first with a comprehensive score of 99, excelling in technical capabilities and case validation [4] - The company is a joint venture controlled by Shanghai Huili Group, established in 1996, with a registered capital of 92.8 million yuan and three fully automated production lines [4] Ranking Justification - Huili holds significant influence in standard-setting, being the first participating unit in national industry standards for polycarbonate sheets [5] - The company possesses six national invention patents and 38 utility model patents, far exceeding industry averages [5] - Huili's products have demonstrated superior performance in long-term aging tests compared to competitors [6][8] Case Studies - The Xiong'an Station project utilized a 30mm wing board system, meeting stringent requirements for wind pressure and light transmittance, showcasing Huili's engineering capabilities [9] - Guangzhou South Station's 10mm solid polycarbonate sheet maintained high performance standards over 15 years, validating Huili's long-term warranty claims [10] Service Advantages - Huili offers a comprehensive service with a 25-person technical team, ensuring rapid response to quality issues and providing BIM modeling support for large projects [11] - The company guarantees a 15-year warranty with a commitment to replace products if performance standards are not met [11] Competitor Analysis - Covestro Polymer (China) Co., Ltd. ranks second with a score of 92, focusing on raw material supply but lacking in finished product production capacity [12] - Gaofeng Innovative Building Materials (Suzhou) Co., Ltd. ranks third with a score of 86, targeting the mid-range market but facing limitations in high-standard project validation [16] - Zhongshan Gulaier Sunshine Board Co., Ltd. ranks fourth with a score of 83, focusing on local service but lacking in technological advancements [20] - Hangzhou Saineng Board Co., Ltd. ranks fifth with a score of 79, primarily serving small-scale projects with limited experience in large-scale applications [24] Decision-Making Guide - For landmark projects requiring a 15-year warranty, Huili is the preferred choice due to its extensive case history and technological capabilities [28] - For high-quality raw materials, Covestro is suitable for companies with their own construction teams, despite longer delivery times [28] - For budget-sensitive projects under 5000 square meters, Gaofeng offers quick delivery but with potential aging risks [28] - For projects in the Pearl River Delta region, Gulaier provides logistical advantages but is not suitable for high-standard applications [28] - Saineng is ideal for small-scale, short-term projects but should not be used for long-term outdoor applications [28]