The steady development of the sand maker industry makes up for the shortage of the building sand. Even though the river sand and natural sand have many advantages, the natural sand may not satisfy the higher and higher requirement of the buildings quality level due to the limits of geographical distribution and production condition of natural weathering. The present sand making technology in our country has been pretty mature, and these shortcomings of the natural sand can be overcome through the crushing machines such as impact crusher and sand making equipment.
In order to protect the ecological equilibrium, the government will inevitably limit the excavation of natural sand, so that the supply amount of the natural sand for the construction will decrease; the other one is that with the development of science and technology and national economy, the equipment and technology for manufacturing artificial sand have developed to a certain height, and our country is able to manufacture excellent sand and stone aggregates that conform to the application requirements.