Isotope fraction ultrafine copper powder .
Copper ore.
Copper ore.
Aluminum, copper.
Copper scrap.
Copper cathodes, copper wires (millberrry), aluminum ingots A7 & A8.
Copper Millberry Scrap.
Copper cathode, copper concentrate, cobalt concentrate..
Copper powder.
High-grade copper ore .
Copper isotope 99.99%, self drilling screw.Manufacturing