The cement material is merged with the main ingredient for the production of concrete is limestone and clay, and mixed with other such as silica iron ore Mina effect. Gypsum and other special additives
Cement is enriched material for concrete production. There is a main ingredient The limestone and clay Other combinations, such as silica and alumina, iron ore, gypsum and other additives.
Cement is a material for producing concrete, merge the main ingredient is limestone and clay, and other combinations such as silica alumina iron ore. Gypsum additive and other effects.