Trivalent chromium plating, also known as tri-chrome, Cr3+, and chrome (III) plating, uses chromium sulfate or chromium chloride as the main ingredient. It is an environmentally responsible technology with the performance and aesthetic benefits of traditional plating methods.Trivalent chromium is another method of decorative chrome plating, and is considered the environmentally friendly alternative to hexavalent chromium.The process has all the same advantages as the hexavalent chromium process.