
Detection scope:
1. Iron, ferroalloys, and steel
1. Iron: directly reduced iron, pig iron, and cast iron p> 2. Ferroalloys: silicon series, manganese series, chromium series, and other ferroalloys p> 3. Silicon series: silicon calcium, silicon aluminum, silicon aluminum barium, silicon calcium, silicon barium, silicon iron, metal silicon p> 4. Manganese series: manganese iron, silicon manganese, nitrided manganese iron, metallic manganese p>
5. Chromium series: chromium iron, silicon chromium, chromium nitride, metal chromium p> 6. Other ferroalloys: ferroboron, ferrophosphorus, ferrotitanium, ferrovanadium, vanadium nitrogen, ferronickel, ferroniobium, ferromolybdenum, ferrotungsten p> 7. Steel: Non alloy steel, low alloy steel, alloy steel, stainless steel, scrap steel, and scrap iron p>
Secondly, aluminum and aluminum alloys
Aluminum powder, aluminum magnesium alloy powder, aluminum deoxidizer, deformed aluminum alloy, and cast aluminum alloy.
p>Thirdly, magnesium and magnesium alloys
Magnesium ingots, deformed magnesium alloys, and cast magnesium alloys.
p>Fourth, copper and copper alloys
Coarse copper, cathode copper, black copper, copper wire, electrolytic copper powder.
p>V. Nickel and cobalt and their alloys
High nickel matte, nickel plate, and universal nickel.
p>VI. Lead and zinc and their alloys
Coarse lead, lead ingots, zinc ingots, zinc powder, anti-corrosion base materials.
p> 7. Tin and antimony and their alloysTin ingots, tin lead solder, antimony ingots, antimony trioxide.
p>VIII. Titanium and titanium alloys
sponge titanium, high-purity titanium.
p> 9. Tungsten and tungsten alloysTungsten powder and tungsten bars p>
Ten, molybdenum and molybdenum alloys
Molybdenum powder, molybdenum strip, molybdenum trioxide, ammonium molybdate.
p> 11. Niobium and tantalum and their alloysNiobium bars, tantalum bars p> 12. Rare earth alloys
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1. Telephone communication and confirmation of requirements
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