We are the only manufacturer of Nano Silver solution in China. We have the only usufruct in Qinghua University Nano silver patent (No.: ZL200510036375.4). We are the only manufacturer of the un-ionic Nano silver which size under 10nm in China.
Nano silver water solution
Colour: hazel
Granule: 10nm Max (around 5nm)
Concentration: 2000PPM (mg/KG)
PH: 7-9
Stability: more than one year