Aluminium & copper
Copper sludge, nickel sludge
Copper scrap
Copper sulfate
Copper powder coating
Copper ore
Copper ore
Copper sulfate
Copper bottles and mugs,copper bottles,copper mugs
Gold, silver and copper, aluminium, brass and bronz products
Gold, diamonds, aquamarines, copper ore
Lead, copper, gold, silver
Gold, manganese, copper
Copper, zinc
Copper, brass, aluminium, zinc, tin
Copper scrap
Copper ores
Copper ore
Copper and slag
Aluminum, copper