Pure tungsten bar is made of 99.95% tungsten power and its forging and annealing process is shown by test. The bar has physical properties e.g. density 19.3g/cm3, melting point (liquid) 3422℃, electricity conductivity 30% IACS min and hardness 69hra min. It owns special characters including low thermal expansion, good thermal conductivity, sufficient resistance and high elastic modulus. The bar is widely applied in various fields, e.g. support line, lead-in line, printer needle, various electrodes, quartz furnace, filament, high-speed tools, automatic products, sputtering target and heating devices with special properties etc. Powder metallurgy is a popular method in production process. 

Currently there are two types of minerals in China: wolframite and scheelite. Tungsten is a kind of rare metal and significant strategic material. It is called "heavy stone" from ancient China. In 1783 tungsten was named by the Spaniard DE Puria. The tungsten content in the crust is 0.001%. Generally the tungsten ores are formed for the activity of granitic magma. Tungsten is a silver-white shiny metal with high melting point and high hardness after smelting. There are more than 20 types of tungsten minerals and minerals containing tungsten which are discovered.

China has the largest tungsten reserve and tungsten output whose reserve are four times of  other countries in the world, tungsten ore was found early 10th century and was called "heavy stones" at that time. Tungsten ore in China is mainly located in the Sanjiang tungsten tin metallogenic belt,West Qinling-Qilianshan metallogenic belt, Tianshan-Beishan metallogenic belt, south China metallogenic belt and north China metallogenic belt. Nanling metallogenic belt is the most richiest in south China metallogenic belt, and numerous large and super large tungsten ores are distributed in this metallogenic belt with more than 70% reserve of China. The tungsten ore in China was mainly formed in Yanshanian era accounting for 83%, Hercynian era 9%, Caledonian era 4%, Precambrian era 2% and Indosinian era 2%.

Tungsten contact is widely used in switches as a part to connect or disconnect the electricity. The so-called tungsten switch contact can be simply understood as the switch's contact point is made of metal tungsten, which has good heat resistance, lower resistance, good chemical stability and other advantages, and can be very good circuit connection or break, thereby reducing the probability of electrical equipment failure.

AC contactor is applied tungsten copper or tungsten iron contact as main connecting parts. AC refers to alternative current. Why tungsten contacts are selected for the contacts of AC contactors? Tungsten as raw material made contacts are with superior properties.

Tungsten alloy weight is used in golf to increase the weight of golf head. In order to improve the performance of golf clubs, the weight is added to the golf end. Compared with traditional weights (iron, lead, steel, zinc, etc.), tungsten alloy is more suitable as a weight for golf heads.

Barium tungsten electrode is with characteristics of low electron work function, high electron current density, better starting performance and low temperature resistance, and is often used in the field of xenon flash lamps.

A fabrication process of tungsten oxide (WO3) nanoplates with ammonium paratungstate has been performed, the product showed great photocatalytic activity due to the plate-like shape.

Ammonium paratungstate (APT) has been used as precursor material in production of Hexagonal tungsten trioxide (h-WO3) microspheres by hydrothermal synthesis. The as-prepared product showed significant catalytic activity in the hydrogenation of styrene under mild environment.

Solid acid catalysts play a significant part in chemical and petroleum industries in hydrocarbon conversion reactions required in octane enhancement processes, such as cracking, isomerization and alkylation, which can form highly branched isoparaffins. Such reactions need strong or moderate acid catalysts. However, halide-type solid acids have a great negative effect on environment. Tungsten oxides supported on oxide carriers have been considered as a more environmental-friendly substitute. Therefore, it has been well studied to be catalysts for hydrocarbon isomerization processes.