8月21日上市公司重要公告集锦：天味食品筹划发行H股股票并在香港联交所上市

Group 1 - Tianwei Food is planning to issue H-shares and apply for listing on the Hong Kong Stock Exchange to enhance its international strategy and brand recognition [4] - Longpan Technology intends to raise no more than 2 billion yuan through a private placement for projects including 110,000 tons of high-performance phosphate-based cathode materials [8][9] - Heng Rui Pharmaceutical reported a net profit of 4.45 billion yuan for the first half of the year, representing a year-on-year increase of 29.67% [10] - Dongfang Caifu's subsidiary received approval from the CSRC to issue up to 1 billion yuan in technology innovation corporate bonds [11] - Muyuan Foods achieved a net profit growth of 1169.77% year-on-year, proposing a cash dividend of 9.32 yuan per 10 shares [12] Group 2 - SOTONG Development reported a net profit of 523 million yuan for the first half of the year, a year-on-year increase of 1568.52%, and proposed a cash dividend of 2.1 yuan per 10 shares [2] - Dongfeng Group adjusted the maximum repurchase price of its shares to no more than 6.28 yuan per share, reflecting confidence in its future development [3] - Hengyu Environmental signed a sales contract worth 27.58 million USD (approximately 198 million yuan) with a UK client, expected to positively impact its performance in 2025-2026 [5] - Chunqiu Electronics reported a net profit of 93.32 million yuan for the first half of the year, a year-on-year increase of 248.44% [6] - ST Yanzhen's stock will resume trading on August 21 after completing a trading suspension due to significant price fluctuations [7] Group 3 - Kosen Technology clarified that it does not produce AI glasses or related components, despite being associated with the AI sector in media reports [10] - Yunnan Ge Industry stated that it currently has no specific plans for large-scale production of 6-inch indium phosphide wafers, despite recent technological breakthroughs [14] - Yanjin Puzhi reported a net profit of 373 million yuan for the first half of the year, a year-on-year increase of 16.70% [15]