Group 1 - The core issue involves the investigation of Jiang Wei, a major shareholder and actual controller of Haohai Biological Technology, by the China Securities Regulatory Commission for suspected insider trading [1] - The investigation pertains solely to Jiang Wei as an individual and does not involve the company's stock or daily operations, indicating no significant impact on the company's regular business activities [2] Group 2 - On May 7, Haohai Biological Technology's stock closed at 53.17 yuan per share, down 0.21%, with a market capitalization of 12.4 billion yuan [3] - The company recently announced a stock buyback, having repurchased approximately 1.49 million A-shares, accounting for 0.64% of the total share capital, with a total transaction amount of about 85.94 million yuan [3] - For the fiscal year 2024, Haohai Biological Technology reported revenue of 2.698 billion yuan, a year-on-year increase of 1.64%, and a net profit of 420 million yuan, a year-on-year increase of 1.04%, indicating stagnation in growth [3] - The overall gross margin decreased from 70.46% to 69.89%, despite the increasing revenue share from high-margin hyaluronic acid products, due to significant price declines in other products [3] Group 3 - In Q1 2025, Haohai Biological Technology reported total revenue of 619 million yuan, a year-on-year decrease of 4.25%, and a net profit attributable to shareholders of 90.31 million yuan, down 7.41% [4] - The decline in performance reflects intense competition in the hyaluronic acid and medical aesthetics market, with emerging alternative materials reshaping the landscape [4] - Research indicates that recombinant collagen may replicate the success of hyaluronic acid, supported by continuous improvements in supply chain policies and technological breakthroughs [4]