high quality small river sand mining equipment manufacturer in Hyderabad
Jul 29, 2020· Reason 2:River sand miningcauses tailings. In the process ofmining river sand, it often produces a large amount of tailings which is not used reasonably. Especially insmallmines, the tailings are piled up at random, occupying land and polluting the environment. Reason 3: A lot of construction waste is wasted.