Nylon powder for supermarket shopping carts, with a coating that is flexible, impact resistant, and quiet to improve the shopping environment. Supermarket carts are frequently used workpieces that come into direct contact with human skin. They require anti fouling and antibacterial properties, and must not have metal coatings falling off or breaking. Nylon powder coated on the metal surface has good adhesion with the metal, which can extend the service life of the handcart; This product is widely used in Europe, America, and Japan.