Ammonium perrhenate nh4reo4, rhenium metal powder, osmium powder, osmium 187 isotope 99.4%, zircon flour .
Columbita or tantalum ore.Mining
Industrial minerals.Mining
.Well drilling
Rohdium ore.Mining contractor
.Mining
Celestite ore.Mining
Iron ore, precious stones and ruby gemstones.Extraction
Silica sand.Mining
.Mining
Spodumene lithium ore, tantalum.Mining
Iron ore.Mining
.Underground tunneling
Zinc, lead, and other minerals and gems..Export, mining
Iron ore lump 63.67% fe.Mining and trading
Ores like magnetite.Mine operations, oil and gas operations, site testing for minerals
.Research, development, manufacture and sales service of mining equipment
Manganese ore.Mining services, imports & exports
Coltan ore.Investment consultant, mining, transportation
.Transportation, construction, mining