2) Pangano lachinsinsi litha kusaina
3) Chitsimikizo chobwezera ndalama masiku asanu ndi awiri
Chofunika kwambiri: sitingapereke mankhwala okha, koma ntchito yothetsera teknoloji!

| COA paZirconium nitride | ||
| Chiyero | 99% | |
| N | 5.5% | |
| Si | 0.02% | |
| O | 0.3% | |
| Fe | 0.15% | |
| Zr | Bali. | |
| Fe | ≤10ppm | |
| Cr | ≤3 ppm | |
| Co | ≤5ppm | |
| Na | ≤5ppm | |
| Mtundu | Epoch-Chem | |






