Quartz grits and quartz powder.Extracting
Silica sand.Mining
Silica sands and rock salt.Mines, export
Lemongrass oil.Planting, extracting
Manganese ore.Export import and mining
Silica sand, quartz, dolomite, feldspar and talc.Exploring, extracting and mining, treating, crushing and concentrating
Manganese Ore.Mining, Shipping
Rock phosphate, rock quartz.Mining, construction
Talc lumps and calcium carbonate.Mining, marketing and exporting
.Import, mining, cargo
Rock salt.Extraction, packing and distribution
Rock salt.Export, trade, mining
Talc, silica sand, iron oxides, limestone, quartz, and feldspar.Mining, drilling and blasting, open quarries and trading
