Though tungsten demand is persistently growing owing to the widespread application in national defense, civil and war industries all over the world, increase Supply shortage has become a major growth dampener for the distinctive metal. The growth of the tungsten market depends largely on new discoveries and explorations.

As cemented tungsten carbide is satisfying changing technical demands in milling and turning operations, it is considered a key material for cutting-tool inserts. Ceramic-metallic compounds and ceramics are being produced and used as replacements for cemented tungsten carbide in order to fulfill varying market demands.

The relevant market data and trends are presented in "Tungsten: A Worldwide Market Review".

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Xiamen Tungsten issued a statement on June 7 denying that it has a controlling stake in the company that have discovered the world's largest tungsten mine in southeast China's Jiangxi province, worth an estimated 300 billion yuan (US$47.15 billion).

Xiamen Tungsten's statement rebutted the article's claim that Xiamen Tungsten owned a stake in Jiangxi Jutong, the owner of the rights to the newly discovered mine.

According to Xiamen Tungsten, the article probably mistook the company for Xiamen Sanhong, another Xiamen-based firm which holds a 30% stake in Jiangxi Jutong, since Xiamen Tungsten's chairman is also a member of Xiamen Sanhong's board.

The primary shareholder of Jutong, Xiamen Tungsten said, is the Beijing-based Judian Investment, which controls a 53% stake in the Jiangxi company.

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China tungsten carbide powder market sees few deals with increasing prices.

Although the tungsten carbide powder prices move up with the increasing raw materials prices, the demand from the cemented carbide markets is weak, so the tungsten carbide powder market sees few deals. 

Furthermore, the tungsten carbide powder prices continue the uptrend, and most of the market participants are cautious in making deals with watching attitudes. 

You can visit the following links for more information about tungsten concertrate powder prices. Thank you very much!

Tungsten-copper is used to make composite materials for heat sinks in computers and other electronic devices. The materials can be mounted to computer chips or ceramic bases.

Tungsten-copper materials conduct heat efficiently without the excessive expansion that would present problems when mounted to other materials. Copper by itself has high thermal expansion properties, making it unsuitable for such applications unless combined with a material such as tungsten.

Tungsten and copper do not form an alloy because their melting temperatures are very different. The composite material is instead made by mixing metal powders. They are then heated and injected into a mold for heat-sink manufacture.

Heat sinks are used to conduct heat away from computer chips and integrated circuits, preventing thermal damage. Depending on the electronic device, heat sinks come in different sizes and shapes. Tungsten-copper composites, with copper content (by weight) of 15 to 20 percent, are often used to make heat sinks.

Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
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