GB/T 11379-2008 "Metal Coatings, Chromium Platings for Engineering", which stipulates the technical requirements for chromium platings used in the engineering field. The standard covers key indicators such as platings Appearance, Film thickness, hardness, abrasion resistance, corrosion resistance, etc., and clarifies the corresponding test methods, inspection rules and marks, Encasement and other content. It provides a basis for standardizing the production of chromium platings for engineering and ensuring the performance mass of platings, and helps to improve the functionality and durability of engineering products.