Introduction The Hengpeng Heavy Sand Washing Machine is expertly designed for efficient washing of sand and gravel with high clay or viscous impurity content, such as mine tailings and sand mountain tailings. Capable of handling a mud content of less than 30%, this machine processes approximately 800m�³ per day. Developed from a 2000 model by an American company, it provides excellent sand washing performance with easy maintenance, stability, and durability. It is widely utilized in gravel pits, mines, construction sites, and high-speed rail projects.