LIMESTONE / LIME STONE / GAMPING (MAIN PRODUCTS) "Limestone Supply Business". There are three main core that play an important role in this supply business chain, namely: 1. Providers of raw materials (producers) here commonly called quary. 2. Provider of transportation facilities 3. The final recipient (raw material processor) of this business person calls it waste. CALCIUM CARBONATE, LIMESTONE Selling calcium carbonate for water treatment or other industrial purposes. Calcium carbonate, or Commonly Called limestone, Limestone, Rock, Lime Stone, Calcium Carbonate, Or Caco3. Our Limestone Is Taken From Limestone Mine In West Java And West Sumatera. Have Caco3 Levels Above 97%. The Limestone Is Dried Then Milled