Nano zinc oxide hmoov zno nanopowder / nanoparticles

Cov lus piav qhia luv luv:

1.Name: Zinc Oxide Nanes Zno
2.Purity: 99.9% Min
3.appe: hmoov dawb
4.Particle Loj: 20Nm, 50nm, 500nm, 1um, thiab lwm yam
5.Best Kev Pabcuam


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