Zinc concentrate
Copper sludge, copper slag, copper ore, concentrate
1.millberry wire copper scrap copper content is not less than 99.8% 2.rough copper ingots (copper content greater than 98%), rough zinc ingots (zinc content greater than 95%), rough gold ingots (one kilogram per piece, gold content greater than 88%). 3. copper concentrate and zinc concentrate
Lead ore, copper ore, iron ore and concentrates