Liming heavy industry is a professional mining equipment manufacturer, we are always in equipment technology innovation as the fundamental point, continuous upgrading of the technological content of sand production line and other equipment, to provide customers with the most suitable products and the most perfect service, and get the praise of the broad masses of…

Sand from its sources can be divided into: sea sand, river sand, mountain sand and machine-made sand. The sea sand although very clean, but high in salt, chloride ion corrosion steel case is very likely to occur in construction projects, pose a safety hazard. If you want to distinguish whether it is sea sand, sand…