Active Pharmaceuticals Ingredients

We are a Fine Chemical manufacture namely Hangzhou zhongchang scientific co.,ltd. we are Hangzhou - China based  Active pharmaceutical ( API ) manufacturing company which dose custom synthesis and contract manufacturing of all the chemicals.

we do have our own research facility and production laboratory etc, how ever most of the time our chemical engineers work in collaboration with the well known Zhejiang University( china Leading University for Chemical research and innovation) reach teams and professors too. Our main products are Tropicamide, Homatropine hydro-bromide, Bromfenac sodium, Betaxolol hydrochloride, Amfenac sodium, Nepafenac, Bromoacetonitrile, Azelastine hydrochloride, 4-(N,N-dimethylamino)butanal, dimethyl acetal, Diethyl 3-hydroxyglutarate, 4, 4-diethoxy-N,N-dimethyl-1- butanamine, Diborance solution, and many other chemicals