Zhangjiagang vinsce bio-pharm.limited is located in zhangjiagang Yangtze River chemical industrial park, We are one of the leading Bio-pharmaceutical company constructed with GMP standard ;mainly produce pharmacetical raw materials,chemical intermediates with technology of synthesis?or?semisynthesis,Also is strong in R&D and industrialization of pharmaceutical raw materials. The main products are: artemisinin and its derivatives (such as artemether, artemisinin, artesunate, etc.);lumefantrine and its intermediates;Vinpocetine and vinpocetine series;Food supplements such as magnesium l-threonate, calcium l-threonate, etc.Customized intermediates such as crizotinib intermediates, 5-bromo-7-azindoles, 5-hydroxy-7-azindoles, etc.besides, we accept all kinds of API, intermediate contract customized services.