Zhejiang Sunflower Great Health Co., Ltd. engages in the research, development, production, and sale of anti-infectious, cardiovascular, digestive system and other drugs in China and internationally. It offers clarithromycin API and tablets, anti-infective drugs used for nasopharyngeal infection, lower respiratory tract infection, skin and soft tissue infection, acute otitis media, Mycoplasma pneumonia, and urethritis and cervicitis; and azithromycin dispersible tablets and injections for sinusitis, acute otitis media, acute bronchitis, acute exacerbation of chronic bronchitis, streptococcus pneumoniae, pneumonia, haemophilus influenzae, mycoplasma pneumoniae, urethritis, cervicitis and skin and soft tissue infection. The company also provides roxithromycin capsules to treat pharyngitis and tonsillitis caused by Streptococcus pyogenes, sinusitis, otitis media, acute bronchitis, acute exacerbation, as well as urethritis, cervicitis, and skin and soft tissue infection.