Zhejiang Jingsheng Mechanical & Electrical (SZ:300316) 是说芯语·2025-09-26 05:57Core Viewpoint - The stock price of Jing Sheng Mechanical & Electrical (300316) surged over 15% on September 26, reaching a new high for the year, following the announcement of the successful commissioning of its first 12-inch silicon carbide substrate processing pilot line at its subsidiary, Zhejiang Jing Rui SuperSiC, marking a significant advancement in domestic technology [1][2]. Group 1: Company Developments - On September 26, Jing Sheng Mechanical & Electrical announced the successful commissioning of its first 12-inch silicon carbide substrate processing pilot line, achieving 100% domestic production and marking a transition from following to leading in global SiC substrate technology [2]. - The successful commissioning of the pilot line signifies a new phase of efficient intelligent manufacturing for the company [2]. Group 2: Industry Context - The development of AI technology has led to increased performance of GPU chips used in AI servers, resulting in higher power consumption and necessitating advanced packaging techniques to manage heat dissipation [4]. - Traditional ceramic substrates have thermal conductivity of approximately 200 W/mK to 230 W/mK, which is insufficient for the growing heat dissipation demands [4]. - Silicon carbide materials exhibit superior thermal conductivity, reaching up to 400 W/mK and nearly 500 W/mK, making them ideal for packaging in data centers and high-performance AI chips [4].