Fence railings are facilities used for boundary protection and isolation in courtyards, residential areas, factories, schools, and other places. With "safety protection+boundary definition" as the core function, they are made of high-quality substrates such as steel, stainless steel, aluminum alloy, etc., and are welded, corrosion-resistant, and molded using processes. Its design combines practicality and decoration, which can prevent illegal intrusion, ensure internal safety, and enhance regional recognition by adapting to different architectural styles. It is widely used in various scenarios such as civil, industrial, and public buildings, and is a conventional protective facility that combines safety attributes and aesthetic value.