突发！一上市公司董事长逝世

Core Points - The chairman and actual controller of the company, Yin Zhenglong, passed away on August 26, 2025, at the age of 60 [1][3] - Yin Zhenglong was the founder of the company and had held key positions since its establishment, including chairman and general manager [3] - He owned 63.0575 million shares, accounting for 26.9% of the total shares, making him the controlling shareholder [3] - The company will handle the transfer of shares according to relevant laws and regulations and will disclose information as necessary [3] - The board of directors has appointed Song Daocai, a director and general manager, to temporarily assume the roles of chairman and legal representative until a new chairman is elected [3] - The company specializes in the research, production, and sales of pharmaceutical excipients, including fillers, adhesives, disintegrants, lubricants, and coating materials for oral solid dosage forms [3] - As of August 26, 2025, the company's stock price was 14.34 yuan per share, with a total market capitalization of 3.4 billion yuan [3] - The number of shareholders as of June 30, 2025, was 17,500 [3]