Metallic elements traded :-
Tin
As
Cassiterite 50-75% Sn
Tin ingots
Crude tin ingots 95-99.75%
Solder
detinning residue
Tungsten
Wolframite
Scheelite
APT
Yellow and blue Tunsten Oxide
Tungsten Metal
powder
Tungsten bar
Heavy metal scrap
Tantalum
Tantalite Coltan
Tantalum
Oxide
Tantalum metal ingot
Capacitor scrap
Niobium
Pyroclore
Columbite
Niobium
oxide
Niobium ingot
Niobium Scrap
Cobalt
Heterogenite
Alliage Blanc
Cobalt
Oxide
Cobalt Metal
Vanadium
Spent catalysts
Zircon
Sand
Molybdenum
Copper
Zinc
NIckel
Zirconium