Chrome Oxide Green, Chromic Acid, Basic Chromium Sulphate manufacturer / supplier in China, offering Industrial Grade Chromic Acid CAS No 1333-82-0 Used in Chrome Plating, Sodium Hydrosulphide 70% (CAS: 16721 - 80 - 5, HS: 28309090) for Chemical Reaction Catalysis, Chromic Anhydride for Surface Treatment in Hard Chrome Plating and so on.