YiChang HEC ChangJiang Pharmaceutical (1558 HK)

YiChang HEC ChangJiang Pharmaceutical develops, manufactures, and sells pharmaceutical products, focusing on anti-viral, endocrine and metabolic, and cardiovascular diseases. Key products include Kewei (oseltamivir phosphate), Oumeining (telmisartan), and Ertongshu (benzbromarone). The company was founded in 2001 and is headquartered in Dongguan, China.