Profile: Suzhou No.4 Pharmaceutical Factory specializes in the research and production of APIs. Our products include lincomycin hydrochloride, clindamycin hydrochloride, clindamycin phosphate, quetiapine fumarate, venlafaxine hydrochloride, olanzapine, leflunomide, clindamycin hydrochloride ethanolate, clindamycin isopropylidene, 1-hydroxyethoxyethylpiperazine and 2-amino-5-methylthiophene-3-carbonitrile.