Limestone comes from "Nago Mine"
"Nago Mine" is located about 75Km north-west from Tokyo-Centeral

The Limestion of "Nago Mine" is charactrized for its high purity
(especially low phosphorus, low iron and low fluorine)

Main products

Calcination size (70-30mm)
Raw material for Glass-Industrie and Feed Mills
Size(3-0mm,2-1.2mm,1.2-0,3-1mm,-150micron etc.)
Calcium carbonate powder
Aggregate

Open pit Quarry

Typical chemical analysis of "Nago Mine" Limestone