Yuminghui® is a team focused on the research and development of metal anti-rust and polishing materials, integrating R&D, production, sales, and service, with its headquarters located in Dongguan, Guangdong Province. The company provides advanced technology, high-quality products, and efficient services to various steel and metal product enterprises nationwide. The main products are divided into: steel phosphating/blackening series, stainless steel passivation/electropolishing series, copper cleaning and passivation series, and aluminum anodizing/passivation series. The company focuses on solving technical problems such as oil contamination, rust, corrosion, and coating pretreatment that occur in the application of steel, stainless steel, copper, and aluminum products, and has achieved significant results, especially in the fields of passivation anti-rust and electrochemical polishing.