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!
| Tsarin kwayoyin halitta | Bi2Te3 |
| Tsafta (%,min) | 99.999 |
| Siffar | Bakar foda |
| Najasa | (ppm, Max) |
| Ag | 0.5 |
| Al | 0.5 |
| Co | 0.4 |
| Cu | 0.5 |
| Fe | 0.5 |
| Mn | 0.5 |
| Ni | 0.5 |
| Pb | 1.0 |
| Au | 0.5 |
| Zn | 0.5 |
| Mg | 1.0 |
| Cd | 0.4 |
| Girman barbashi ( raga ) | 325 |
| Alamar | Epoch-Chem |