Profile: Paramount Plating Ltd specializes in processing metallic parts in a variety of different finishes, including zinc (bright and colour) barrel zinc, vibro-deburring & polishing, mechanical polishing and others. Zinc plating bestows an increased surface hardness on the item with the finished hardness (100g HV) ranging between 80-150HV. The coating is capable of accepting the environmentally friendly clear blue trivalent chromium passivate as well as yellow and olive drab finishes.