Founded in 1996, Tianjin Dongchang Fine Chemical lndustry Co., Ltd. Is a hi-tech enterprise for research & development, production of PH indicator, pharmaceutical raw material, intermediates and chemical raw materials.


Over years, several main products were developed,
PH Indicator: Cresol Purple, Bromophenol Blue and Cresol Red etc.
Pharmaceutical raw materials: Pidotimod, Pramipexole Hydrochloride, Erdosteine,
Adrafinil, etc.
Intermediates: P-toluenesulfonylmethyl isocyanide, 4-Acetamidocyclohexanone, (S)-2,6-Diamino-4,5,6,7- tetrahydrobenzothiazole, etc.


Has the strength of scientific research, advanced production equipments and complete detection conditions, our company persists in providing first-rate products and good service. Welcome clients to visit us for establishment of cooperative relations and long-term win-win cooperation.