回盛生物：公司主要从事兽用化药制剂、原料药和中药制剂、饲料及添加剂的研发、生产及销售

Core Viewpoint - The company, Kexing Biopharma, is primarily engaged in the research, production, and sales of veterinary pharmaceuticals, raw materials, traditional Chinese medicine formulations, and feed additives, positioning itself within the animal health industry [2] Group 1: Company Overview - The company operates in the veterinary drug manufacturing sector, which is classified under the pharmaceutical manufacturing industry according to the National Economic Industry Directory [2] - The company is actively responding to national policies by driving development through technological innovation [2] Group 2: Business Strategy - The company is vertically integrating its operations by expanding into the upstream raw material pharmaceutical industry [2] - The company is horizontally expanding into segments such as pet and poultry markets, aiming to create a comprehensive animal health enterprise that combines raw materials, veterinary drug formulations, and animal health products [2]