High purity copper ingots (HF, C4N7 grade), oxygen-free copper: Chemical purity: 99.997 99.998% (based on metals content (Metals Base) or according to GOST 859-2014). Quantity: from 10,000 to 50,000 kg per month or more. Assortment and packaging: - Flat, rectangular ingots, packages of 1 ton; templates 3-5 kg, in boxes 40 kg. Price: 100 - 120 US dollars/kg