DotianBiotech Enterprise Co., Ltd. · DotianBiotech was founded on July 7, 2005. Have passed the certification of ISO9001:2008 Quality Management System. The products meet USP, EP, JP and CP standards and are available not only in China but also in the US, EU, Canada, Japan, etc. DotianBiotech Own one R&D center, two GMP workshops ，one pharmaceutical & chemical factory,one Cosmetic Peptide Factory, One Health Product OEM Factory. We Provide full services from raw materials to finished product......