We can make metallic nano zinc powder Fe,Cu,Ni,Zn,Ag,Sn,Bi,Co in ranges of 50~100nm at ... your requirement. nano zinc powder Fe,Cu,Ni,Zn,Ag,Sn,Bi,CoUsages metallicAppearance: Different particle size ... do special processing according to customer’s requirement. metallic nano zinc powder Fe,Cu,Ni,Zn,Ag,Sn,Bi,Co