2) Daim ntawv cog lus tsis pub lwm tus paub tuaj yeem kos npe
3) Xya hnub rov qab lav
Tseem ceeb tshaj: peb tuaj yeem muab tsis tau tsuas yog cov khoom lag luam, tab sis kev pabcuam kev daws teeb meem!

| COA ntawmZirconium Nitride | ||
| Purity | 99% | |
| N | 5.5% | |
| Si | 0.02% | |
| O | 0.3% | |
| Fe | 0.15% | |
| Zr | Bal. | |
| Fe | ≤10ppm | |
| Cr | ≤ 3ppm | |
| Co | ≤ 5ppm | |
| Na | ≤ 5ppm | |
| Hom | Epoch-Chem | |






