Quality advantage: The source of artificial sand is stable; mechanized production mode ensures an adjustable and controllable quality. Grade advantage: artificial sand has high surface energy and hydrophilicity; it has complete gradation; the particle gradation is stable and adjustable; the grain shape can be improved. Management advantages: There are stable legal entities, mining licenses, fixed business locations, which is easy to trace. Resource advantages: In addition to mines, various waste resources such as tailings and construction waste can be utilized.