Nano zenk oksid poud ZnO nanopowder/nanoparticles

Kout deskripsyon:

1.Name: zenk oksid nano zno
2. Pite: 99.9% min
3.Appearacne: blan poud
4.Particle gwosè: 20Nm, 50Nm, 500Nm, 1um, elatriye
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