A photnan materials for the production of concrete with the main ingredient is limestone and clay, and mixed with other such as silica iron ore Mina effect. Gypsum and other special additives
Long past are the materials for the production of concrete. There is a main ingredient The limestone and clay Other combinations, such as silica and alumina, iron ore, gypsum and other additives.
A material for manufacturing industries by concrete. The main ingredient is limestone and clay, and other blends such as silica alumina iron ore, gypsum Additive and other effects.