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!
Khoom npe:Tungstenhmoov
Purity: 99% -99.9%
Particle loj: 50nm, 5-10um, thiab lwm yam
CAS Nr .: 7440-33-7
Cov tsos: grey dub hmoov