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!
Kev taw qhia luv luv
1. Khoom npe:Niobium Nitride
2. CAS Nr .: 24621-21-4
3. Purity: 99% min
4. Particle loj: 200mesh
5. Cov tsos: Grey hmoov
6. Hom: Epoch-Chem