Group 1 - Company Sanan Optoelectronics (600703.SH) has repurchased 88.656 million shares, accounting for 1.78% of its total share capital, with a total expenditure of 1.084 billion yuan [1] - The company plans to repurchase shares within a range of 1 billion to 1.5 billion yuan, with the purpose of employee stock ownership plans or equity incentives [1] - Sanan Optoelectronics has previously repurchased 250 million shares from December 14, 2023, to May 16, 2025, totaling 3.083 billion yuan [1] Group 2 - In Q1 2023, Sanan Optoelectronics achieved operating revenue of 4.312 billion yuan, a year-on-year increase of 21.23%, and a net profit attributable to shareholders of 212 million yuan, up 78.46% [2] - The company has seen growth across all business segments, particularly in high-end LED products, which have contributed to overall revenue growth [2] - Sanan Optoelectronics has partnered with STMicroelectronics to establish "An STMicroelectronics Co., Ltd." in Chongqing, with a total investment of approximately 23 billion yuan, focusing on an 8-inch silicon carbide power chip production line [2] Group 3 - The global silicon carbide device market is expected to exceed 12 billion USD by 2028, with China accounting for over 40% of the demand [3] - The timing of the An STMicroelectronics project aligns with a potential industry boom [3]