Shandong Binzhou Zhiyuan biological Technology Co., LTD (Zhiyuan Bio-tech) is a innovative enterprise that is professional in cyclodextrins and their applications. Supported by Shandong University, Zhiyuan Bio-tech has a cyclodextrins research center that located in Jinan. We have a strong research and development strength of the technical team which has close cooperation with Shandong University, Chinese Academy of Science and other world class research institutes. Now we can produce hydroxypropyl cyclodextrin, sulfobutyl ether-beta-cyclodextrin sodium salt, methyl cyclodextrin, mercapto cyclodextrin, amino cyclodextrin, ethanediamine cyclodextrin, piroxicam cyclodextrin, cyclodextrin polymers and other cyclodextrin derivtives. We can also synthesis custom designed cyclodextrin derivatives for your requirements. Now we have Ion chromatograph (IC), Capillary electrophoresis (CE), High performance liquid chromatograph (HPLC), Gas chromatograph (GC), Fourier transform infrared spectr