we are the manufacturer of biological products in China,we own good reputation in Chinese market.our company located in beijing economical & technical development area ,it has first class equipments and many excellent staffs.all the workshops have passed the GMP inspection in China.the main products we produce are recombinant human erythropoietin ,recombinant human granulocyte colony stimlating factor,recombinant human interleukin-2.we can supply both bulk and finished products of them,if you are interested in them,please don't hesitate to contact me.