There are still some patents in the material.
Through high technology, small grains of sand have formed large industries, providing technical and product support for energy conservation and emission reduction, low-carbon economy, and ecological civilization. Today, Renchuang's various sand products are involved in foundry, oil mining, rainwater collection, building materials, agriculture and other fields, forming the concept of "using sand to control water, using sand to increase oil, using sand to control sand, using sand to precision cast, using sand to The six-pronged solution of "building and using sand to promote agriculture" has created an emerging industry marked by the use of sand to control desertification.