2) Mkataba wa usiri unaweza kusainiwa
3) Dhamana ya kurejesha pesa kwa siku saba
Muhimu zaidi: hatuwezi kutoa sio bidhaa tu, lakini huduma ya suluhisho la teknolojia!

| COA yaNitridi ya Zirconium | ||
| Usafi | 99% | |
| N | 5.5% | |
| Si | 0.02% | |
| O | 0.3% | |
| Fe | 0.15% | |
| Zr | Bal. | |
| Fe | ≤10ppm | |
| Cr | ≤3ppm | |
| Co | ≤5ppm | |
| Na | ≤5ppm | |
| Chapa | Epoch-Chem | |






