Wuhan has recently developed a new technology that can produce a variety of colors on the surface of stainless steel. This technology uses a new "coloring - sealing" process, chemical treatment, resulting in a layer of interference film on the surface of stainless steel, not only can make it produce a variety of colors, but also make it wear, corrosion resistance, aging resistance and appearance Decorative effects are better than ordinary stainless steel. Allegedly, this technology can be widely used in chemical, light industry, advertising decoration, packaging, military and other industries. (From "China Light Industry News")