Zhejiang Sunflower Great Health Co., Ltd. engages in the research, development, production, and sale of anti-infectious, cardiovascular, digestive system and other drugs worldwide. It offers clarithromycin API and tablets, an anti-infective drug used for nasopharyngeal infection, lower respiratory tract infection, skin and soft tissue infection, acute otitis media, mycoplasma pneumoniae pneumonia, urethritis and cervicitis, as well as acute pharyngitis and acute tonsillitis; and azithromycin dispersible tablets 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 otitis, acute bronchitis, acute exacerbation of chronic bronchitis, pneumonia caused by mycoplasma pneumoniae or chlamydia pneumoniae, urethritis, cervicitis, and skin and soft tissue infection.