Sanfan Pharmaceutical

Sanfan Pharmaceutical, officially Zhejiang Sanfan Pharmaceutical, is a specialty pharmaceutical company based in China that specializes in the research, development, and manufacturing of transdermal drug delivery systems (TDDS). The company is a prominent leader in the Chinese external preparation market, focusing on cataplasms, hydrogel patches, and medicated plasters for pain management and inflammatory diseases. Its commercial portfolio includes widely used treatments such as Ketoprofen, Indomethacin, and Flurbiprofen patches. Following its acquisition by Zhejiang Xianju Pharmaceutical in 2017, Sanfan has continued to leverage its TDDS platform to expand its presence in the domestic and international markets, specializing in controlled-release external formulations that offer improved patient compliance.