Nano gold colloids with good stability

Our client said Nano colloidal gold and gold nanoparticles of Hongwu are unrivaled – we found that your company the best that we could work with.”

Colloid gold solution possesses unique properties such as good optical characteristics, biocompatibility, and catalytic activity. 

Nano Tin Dioxide Powder have high purity 99.99%, mainly used in catalyst.

China factory direct offer gold (Au) nanoparticles powder 99.95% high purity, 20-30 nm small size, good and stable quality. Customize for 20nm-1um and nano gold water dispersion is OK. Any need welcome to contact us.

High purity solar grade silicon nitride powder is widely used as crucible release agent.

Silver coated copper powder is mostly used for electromagnetic shielding for its good conductivity. Ag coated Cu powder for EMI shielding has good stability, excellent performance. Specification can be adjustable.

Many sizes is available for copper nanoparticles from nano grade to micro grade.

Superfine 20nm nano tin oxide powders is widely used in gas sensor materials.

Precious metal Ruthenium nano powder is available for 20-30nm with 99.95% purity. It can be used as hardener for its good properties. Besides 20-30nm Ru particle, size can be adjustable from 20nm-3um. Its oxides RuO2 nanopowder also available. Nano Ru Dispersion can be customized.

Carbon nanohorn is a new allotrope of carbon found in recent years. It can be seen as a single layer of graphite, one end is an angular closed structure and the other end is an open structure.

Hongwu International Group Ltd supplys blue, yellow, purple tungsten oxide nanopowder, both in 80-100nm size with 99.9%purity. Cs0.33WOx nanopowder is also available.

Hongwu nanomaterial can not only supply some nanopowders & nanomaterials of regular size, but also customize them according to customers' requirements to help enterprises to upgrade their products.