Group 1 - The company issued 5.1 million convertible bonds with a total value of 510 million yuan, approved by the China Securities Regulatory Commission on September 29, 2022 [1][19] - The bonds have a maturity period of six years, from September 29, 2022, to September 28, 2028, with a conversion period starting from April 12, 2023, to September 28, 2028 [1][4] - The initial conversion price is set at 6.04 yuan per share, subject to adjustments based on specific corporate actions [4][5] Group 2 - The company plans to use the raised funds for projects including the construction of high-performance glass fiber cotton and clean air filtration materials, with a total investment of 53.01 million yuan [13][14] - The company has established a special account for the management of the raised funds, ensuring compliance with regulations [19][23] - The company has a credit rating of "AA-" for the bonds, indicating a strong creditworthiness [19][24] Group 3 - The company reported a 12.90% increase in operating revenue for 2024 compared to 2023, despite a decrease in overall revenue due to the exclusion of a subsidiary from consolidation [17] - The net profit attributable to shareholders increased by 192.52% to 56.25 million yuan, with basic earnings per share at 0.0888 yuan [17][18] - The company maintains a healthy liquidity position, with a current ratio of 5.50 and a quick ratio of 4.77 [24]