Group 1 - Tianyue Advanced (02631) has seen a stock price increase of over 7%, currently trading at 59.55 HKD with a transaction volume of 1.88 billion HKD [1] - The company is a leader in the silicon carbide (SiC) semiconductor materials industry and has achieved technological breakthroughs in the full series of 12-inch SiC substrates, marking the entry of the SiC substrate industry into the 12-inch era [1] - According to Wenkang Securities, SiC, as a third-generation wide bandgap semiconductor, is penetrating four major industries: renewable energy, AI, communication, and AR, becoming a key support for technological upgrades and efficiency revolutions [1] Group 2 - The demand explosion is driving rapid industry expansion, with expectations of a balanced supply-demand situation for SiC substrates by 2027, and potential supply tightness [1] - By 2030, the global demand for substrates is projected to reach 16.76 million pieces, with an estimated production capacity shortfall of about 12 million pieces compared to the supply in 2025 [1] - The three core growth points identified are AI intermediary layers, electric vehicles, and AR glasses, with projected demand shares by 2030 of 37%, 26%, and 23% respectively [1] - If SiC can be industrialized in the "substrate layer," "intermediate layer," and "heat sink" for advanced packaging thermal materials in AI chips, the global demand for SiC substrates could reach approximately 30 million pieces by 2030 [1]