Nano tungsten trioxide is tungsten trioxide with grain size less than 100nm, it has larger specific surface area and can be produced by solid phase reaction method, it has strong magnetic absorption ability, catalytic property and gas sensitivity.

Ammonium paratungstate (APT) can produce ammonium metatungstate, yellow tungsten oxide and blue tungsten oxide by thermal decomposition.

Although gold plated tungsten bar can be regarded as gold substitution, their manufacturer processes are quite different.

The tungsten oxide composite powder is a mixture of different kinds of tungsten oxide powder, in which each particle is composed of two or more different chemical components to achieve a uniform degree of mixing at the particle level.

Tungsten trioxide’s chemical formula is WO3. Some of the applications of WO3 are shown as bellow.

Tungsten copper hot pressing sintered process of cold pressing method blank - vacuum sintering - canned hot extrusion. Because tungsten copper composite material has excellent electrical and mechanical properties, as electrical contacts, the discharge electrodes and electronic packaging materials are widely used in electrical and electronic fields.

Ammonium metatungstate producing method (AMT) can be divided into two categories of solid and liquid phase transformation, the specific methods are thermal degradation, liquid - liquid extraction, ion exchange, electrodialysis, neutralization, acid hydrolysis alcohol precipitation method ect..

White tungstic acid and yellow tungstic acid difference mainly embodies in their appearance, white tungstic is white powder with white microcrystalline structure, yellow tungstic acid is the most common seen tungstic acid, color is light yellow and is in powder form.

Tungsten copper thermochemical method is also known as powder coating method, which doped with compound or compound solution and dried calcined to obtain the coated powder after reduction.