SICC Co., Ltd. (688234.SH) saw its shares rise more than 9% during the trading session. By the time of writing, the stock was up 6.54%, trading at 107.61 yuan, with a turnover of 10.29 billion yuan. The increase is driven by explosive growth in demand for silicon carbide materials amid the ongoing global expansion of the new energy industry. Silicon carbide is also considered an essential material for the growth and innovation of the AI industry, offering significant potential in data centers, power infrastructure, and end applications. Notably, the shift toward 800V HVDC technology in AIDC power supply is creating new demand for silicon carbide power devices. Previously, TSMC stated during an earnings call that advanced packaging capacity is extremely tight, with a core strategy focused on developing larger-size CoWoS technology. In 2025, SICC achieved a 27.6% global market share in conductive silicon carbide substrates, surpassing Wolfspeed to rank first worldwide. The company also leads significantly in the 8-inch silicon carbide substrate segment, holding a 51.3% market share. Guotou Securities highlighted that SICC launched the industry's first 12-inch silicon carbide substrate in 2024 and completed technological breakthroughs for its full range of 12-inch conductive N-type, conductive P-type, and semi-insulating silicon carbide substrates in 2025, ushering the global silicon carbide substrate industry into a new era of 12-inch technology.