Porschem Pharmaceuticals Co., Ltd.is a high and new technological enterprise which involves in production,sales and R &D as well. We are good at various reactions on Grignard Reagent, friedel alkylation, acylation Friedel, cyanidation, hydrogenation, etherification, bio-transformation. We take the principle of “quality is the first, customer is the uppermost ” The main products have : vildagliptin,Repaglinide,Fesoterodinefumarate,(2S)-1-(Chloroacetyl)-2-pyrrolidinecarbonitrile, (S)-3-Methyl-1-(2...