石灰石填充物: rich, yet cost-effective, for construction and non-construction use Read more Finely ground in our cement and aggregates quarries, Holcim’s limestone filler solutions are a cost-effective and high quality answer to the specific needs of our customers from various industries: whiteness to improve quality for the paper industry, purity and calcium level for animal feed and fertilizing purposes, and particle size distribution for asphalt and concrete manufacturers.