Chongqing Ti’an Technology Co., Ltd. Located in Chongqing city,China,is a specialized in chemical custom synthesis, pharmaceutical intermediates and new drug research, development, production and sales of new-tech company. Ti’an pharmaceutical is the only one production supplier of Cefalonium and CefsulodineSodium in domestic,and building a series of important intermediates including Salnemulin and Flupirtine Maleate etc.We according to customer demand to provide various intermediates, fine...