Chaska International Mining Sac is a company from Peru that lists copper concentrate with a minimum 20% copper content, silver ingots with purity ranging from 99.95% to 99.99%, anthracite coal with fixed carbon above 82% and gross calorific value greater than 7.200 kcal/kg, Peruvian travertine stone at 99.9% calcium carbonate available as pavers, pool coping, tiles, mosaics and ledger panels, iron ore with 62% Fe content from Mexico, and kaolinite clay from Peru. Buyers can send an enquiry through Global Trade Plaza.