2) Ana iya sanya hannu kan yarjejeniyar sirri
3) Garanti na dawowar kwana bakwai
Mafi mahimmanci: za mu iya samar da ba kawai samfurin ba, amma sabis na mafita na fasaha!
| ABUBUWA | SAKAMAKO |
| Assay (CuO) | 99% min |
| Fe | 0.2% max |
| Cd | 0.005% max |
| Chlorhydricacid rashin narkewa | 0.2% max |
| Abubuwan Soluble na Ruwa | 0.1% max |
| Chloride (Cl-) | 0.2% max |
| SO4 | 0.2% max |
| Pb | 0.02% max |
| Hg | 0.005% max |
| Alamar | Epoch-Chem |