Copper ore, zinc ore
Zinc ore, lead ore
Lead ore, zinc ore
Lead ore, zinc ore
Non-ferrous metals ore, lead ore, zinc ore, copper ore
Zinc concentrate, zinc ore, zinc powder, zinc ash
Zinc ore, zinc oxide, zinc concentrate, lead ore, lead concentrate, copper ore, copper concentrate
Copper concentrate, zinc concentrate
Copper concentrate and zinc concentrate
Copper sludges, nickle sludges, concentrates and mo, v, ni, spent catalyst either roasted
Copper concentrate and zinc concentrate
Copper concentrate, zinc concentrate
Zinc oxide, zinc ash , zinc dross , copper dross , brass dross , brass slag, zinc dross, copper slag, copper scrap, brass scrap
Zinc dust, zinc ore, zinc ash, pb ore
Zinc Ore And Ash
Lead and zinc ore concentrate
Zinc ore, zinc concentrate, copper ore
Zinc Ash, Vanadium Concentrate And Vanadium Ash
