SICC CO.(SH:688234) Xin Lang Cai Jing·2025-09-13 01:42Core Viewpoint - Tianyue Advanced (688234.SH) has seen significant stock price increases recently, driven by the growing demand for silicon carbide (SiC) substrates in the semiconductor industry, particularly in AI applications [1][2][4] Group 1: Stock Performance - On September 11, Tianyue Advanced's stock price rose over 10%, and on September 12, it continued to increase, reaching a high of 99.88 CNY per share, closing at 90.71 CNY, a 0.8% increase [1] - The stock had previously surged on September 5, hitting a daily limit increase and closing at 77.28 CNY [1] - In the Hong Kong market, Tianyue Advanced (02631.HK) also performed well, with stock price increases of 18.24% on September 5, 10.12% on September 11, and 8.26% on September 12 [5] Group 2: Company Overview - Tianyue Advanced is a leading domestic producer of wide bandgap semiconductor materials, focusing on the research, production, and sales of silicon carbide semiconductor materials, including semi-insulating and conductive SiC substrates [1][4] - The company was established in 2010, headquartered in Jinan, and became the only listed company in the SiC substrate field when it went public on the Shanghai Stock Exchange's Sci-Tech Innovation Board in 2022. It also listed on the Hong Kong Stock Exchange in August 2023, making it the only "A+H" listed SiC substrate company [4] Group 3: Industry Applications - Tianyue Advanced's SiC substrates are widely used in power semiconductor devices, RF semiconductor devices, optical waveguides, TF-SAW filters, and thermal components, with applications in electric vehicles, photovoltaics, energy storage systems, power grids, rail transportation, communications, AI glasses, smartphones, and semiconductor lasers [1] - The company has established business relationships with over half of the top ten power semiconductor manufacturers globally, with clients like Infineon and ON Semiconductor successfully entering the supply chains of industry giants like NVIDIA [2]