Tungsten is a typical kind of strategic metal, which is socalled "industrial teeth".It is mainly used for cemented carbide and special steel products.

Tungsten is widely applied in defense industry, aviation, information industry, etc. Based on the high temperature resistant properties of tungsten, a large number of tungsten alloy products are used in machinery and weapon industry.

For example: in the tube of guns and cannons.The bullets of armor-piercing shell is made-up with high density alloy steel and tungsten carbide which is much more harder than tank and armored car.