12/1, EKAMBARESWARAR STREET, PARK TOWN, ,,importers of chemicals such as potassium ferrocyanide - 99.5% min, potassium ferricyanide - 99.5% min, ammonium persulphate - 98.5% min, potassium persulphate - 99% min, sodium bromide - photo quality, potassium bromide - photo quality, perchloroethylene