Zuofu®Levofloxacin Hydrochloride Ear Drops(0.5%), covered by national medical insurance system category B directory, which is developed by Relin Medicine as the first product of 0.5% levofloxacin hydrochloride ear drops worldwide. Listed for more than 10 years and recommended by guideline as a first-line medication for external otitis, acute and chronic suppurative otitis media.