Ammonium metatungstate is an important tungsten-containing compound. It is mainly used to produce various petrochemical catalysts and other tungsten compounds. It is the main raw material of tungsten-based catalysts in refineries. With the development of petroleum refining and petrochemical industries, the amount of ammonium metatungstate is increasing.

Bearing, the important basic part of mechanical equipment, plays an important role in fixing and reducing the friction coefficient of load during the mechanical transmission. Tungsten disulfide coating is used in bearing processing to reduce the internal wear of the part.

Tungsten trioxide is a stable n-type semiconductor material, which has been widely used in gas sensors and electrochemical catalysis. In recent years, some studies have applied tungsten trioxide to electrochemical energy storage. Studies have shown that tungsten trioxide and graphene aerogel composites can exhibit excellent capacitance performance.

Tungsten disulfide with lamellar structure is an excellent solid lubricant with good lubricant performance. It has many advantages in lubrication, so it is widely used in the fields of electronics, food, medicine, space machinery, etc.