CHINA COPPER

Inorganic salts for industrial purposes; sulfuric acid; sodium sulfate; zinc sulfate; blue vitriol; ammonium sulfate; nickel sulfate; bismuth; selenium; tellurium; chemical coatings for ophthalmic lenses; metallic oxides; metal oxide powders for industrial purposes; metallates

Works of art of common metal; common metals, unwrought or semi-wrought; copper, unwrought or semi-wrought; brass, unwrought or semi-wrought; electrolytic copper; ores of metal; copper pipes; tubes of copper alloys; copper ingots; copper-base alloy ingots; copper rings; copper ores; bronzes [works of art]; copper wire, not insulated; lead ingots; zinc ingots; zinc powder; germanium; aluminium; magnesium; cadmium; aluminium alloys; alloys of common metal; brass alloys; zinc alloy ingots; lead alloy ingots; magnesium alloy ingots; zinc; zinc ores; nickel brass; zinc-copper-nickel alloy

Precious metals, unwrought or semi-wrought; gold; silver; platinum [metal]; palladium; gold, unwrought or semi-wrought; gold alloy ingots; platinum ingots; platinum alloy ingots

Mining extraction; drilling of wells; construction

Metalworking; metal treating; metal casting; galvanization; cadmium plating