Mahadeven minechem is involved in manufacturing of 1. premium grade quartz lumps from our mine in rajasthan 2. premium grade quartz grains & powder from our processing factory 3. premium grade sodium and potassium feldspar powder from our processing factory.We trade in the following commodities 4. coal (various types) 5. bauxite ore 6. met coke 7. iron ore 8. gypsum 9. limestone 10. bentonite 11. clinker 12. coking coal