The main products is semi-synthetic antibiotics like Amikacin, Cefotaxime, Ceftriaxone, Cefuroxime, Cefepime and their preparation, and also the intermediates of Cephalosporins like Cefazolin, Ceftaxime, Ceftriaxone, Cefotiam, Ceftazidime, Cefuroxime and Cefixime.