Tungsten ore buyers continued to depress the inquiry, the inquiry is currently tungsten concentrate almost all less than 80,000 yuan, and then more than 60 degrees wolframite actual turnover is still concentrated in the vicinity of 81 000, the material or the recent stabilization of the main ore price, but the risk is still slightly lower.

Macro level, by way of the State Council meeting, the infrastructure sector to private capital to open the door; domestic oil prices rising for a Friday or usher in two: rose about 0.2 yuan per liter; RMB exchange rate rose in early levels.


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Tungsten market: Tungsten overall market demand is still sluggish, businesses generally bearish, but because the price of tungsten has almost bottomed out, the spot market increased exploratory inquiry, buyers and sellers on the payment, shipping, etc. responsible for stalemate. Tungsten ore buyers continued to depress the inquiry, the inquiry is currently tungsten concentrate almost all less than 80,000 yuan, and then more than 60 degrees wolframite actual turnover is still concentrated in the vicinity of 81 000, the material or the recent stabilization of the main ore price, But the risk is still slightly lower.

CNR network Ganzhou April 21 news (Ganzhou Taiwan reporter Zhou Liang), according to Voice of China "CNR News" reported that Ganzhou is "rare earth kingdom", "world tungsten", now, Ganzhou Rare earths, tungsten, new materials and application industry The main business revenue has To break one hundred billion yuan mark, becoming the first Ganzhou main business income of over one hundred billion yuan of industrial clusters.

This morning reporter visited the Jiangxi Ganzhou, Jiangxi Jinli Yong magnetic and Australia Ketai tools, which are two Ganzhou tungsten and rare earth leading companies. Jiangxi Jinli Yong Magnetic is the world's largest professional manufacturer of copper aluminum and iron. Ganzhou Australia Ketai is engaged in the production of high-end tools, carbide and high-tech enterprises. Currently Ganzhou has formed a mining, smelting, processing and applications of rare earth-train, tungsten industry pattern, forming a group of industry leaders and excellent companies, and in this month, Ganzhou Rare Earth Group led the formation of the South China Rare Earth Group, the May has been formally established, Ganzhou Rare Earth become the country's development and utilization of a unique pilot cities. Ganzhou Rare Earth and tungsten in the construction industry chain which has a relatively complete.


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Tungsten market: Tungsten overall market demand is still low, turnover is not active, businesses generally bearish, but because the price of tungsten has almost bottomed out, the spot market increased exploratory inquiry, buyers and sellers on the payment, shipping, etc. responsible for stalemate, thinly traded, temporarily weak ore prices stabilize. APT tungsten concentrate price and the price inversion phenomenon still exists, procurement and sales can not be effectively released. Tungsten prices are expected in the short term with little hope.

The domestic market is relatively stable trend tungsten, tungsten ore price volatility is not, demand is still weak, and no amplification deal. Scheelite, the 65% price wolframite 8.3-8.5 yuan / ton, the average price fell compared with the previous weekend 2,000 yuan / ton; 55% wolframite price of 8.5-8.7 yuan / ton, were price over the last weekend down 2000 yuan / ton.

Last week, the market price of tungsten raw materials continued weak stalemate, turnover is not active, most companies are still on the sidelines. APT tungsten concentrate price and the price inversion phenomenon still exists, procurement and sales can not be effectively released. Asian investment bank and successfully advance "along the way" program will provide the market outlook, great imagination, but the current fundamentals, without a good voice. Buyers and sellers slightly stalemate, demand is weak, weak turnover, weak mentality.


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Tungsten overall market demand is still sluggish, businesses generally bearish, but the price of tungsten has almost bottomed out, tentative inquiry increase in the spot market, buyers and sellers on the payment, shipping, etc. responsible for stalemate, thinly traded. Scheelite, the 65% price wolframite 8.3-8.5 yuan / ton, the average price fell compared with the previous weekend 2,000 yuan / ton; 55% wolframite price of 8.5-8.7 yuan / ton, were price over the last weekend down 2000 yuan / ton.
Temporarily weak ore prices stabilize.

Macro, Guangdong, Fujian, Tianjin Free Trade Zone unified listing today, a total of 71 tasks of reform and innovation; Silk Road Fund: Three Gorges Group spent billions of joint investment in Pakistan's first hydropower; New York, on the 20th the price of gold fell below $ 1,200.


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Tungsten market: With raw material prices continue to decline, the downstream manufacturers of alloy powder demand is low, tungsten powder forced to slow down the smelter also offer home. Raw materials and recycled raw material prices are very close, leading to greater regeneration carbide factory shipments difficulty. Tungsten steel scrap traders to waive the sidelines, a little spot transactions in stalemate, there are also a small number of traders continued receipt strongly suppress the price, and then a lot of inventory backlog of inventory in the hands of traders are mostly high inventory, scrap tungsten steel prices or slow down RESEARCH.

With raw material prices continue to decline, the downstream manufacturers of alloy powder demand is low, tungsten powder forced to slow down the smelter also offer home. It is understood that a small number of manufacturers in order to regenerate WC 203-205 yuan / kg price of a small ship success. Because of the few manufacturers of recycled materials and other reasons some high inventory before, in order to revitalize the capital loss has continued to produce a small amount.

Currently the mainstream native tungsten prices fell 205-207 yuan / kg, powder mainstream price concentrated in 206-207 yuan / kg, electrolytic regeneration carbide material mainstream offer for 204 yuan / kg, raw materials and renewable raw material prices are very close, resulting in Tungsten carbide factory shipments regeneration more difficult.


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Tungsten steel scrap traders to waive the sidelines, few traders continued receipt strongly lower prices, then traders are mostly in the hands of the high inventory stocks, stock turnover slightly stalemate, tungsten steel scrap prices or slowly dropping.

Macro level, the central bank: from the 20th cut financial institutions deposit reserve ratio by 1 percentage point; Guangdong FTA listed tomorrow, is expected to release a new version of the negative list; Beijing GDP grew 6.8% in the first quarter.


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When operating temperature 130K, tungsten just need 27nW Nano laser pumping energy. The researchers believe that due to the small size and low power consumption, tungsten photonic integrated circuits based nano lasers become a good substitute.

Researchers at Washington University and Stanford University have developed the device, the key is that they add a layer of tungsten photonic crystal selenium film on the chamber of the device. The study, published in Nature (doi: 10.1038 / nature14290). University of Washington doctoral student Wu Sanfeng introduction: "This is a recent discovery of this new type of semiconductor is very thin, and can be very efficient light-emitting researchers based on this material. characteristics, being produced transistors, light emitting diodes and solar cells, as well as tungsten Nano laser. "Meanwhile, researchers using another atomic sheet as the laser gain medium, can achieve a variety of purposes, for more convenient control of the laser to provide the conditions.

University of Washington professor Arka Majumdar introduction: "When using other materials, the gain medium is embedded, it is impossible to change our nano laser, you can remove or add such a monolayer structure, very convenient.."

Tungsten diselenide layer structure can be a direct bandgap exciton specifically limited in the scope of the luminal surface of 1nm. This material can also be achieved through a flexible external control laser operation, such as electrostatic gating and conduction current injection.

Ultra-thin semiconductor film laid photon cavity surface

The study was funded by the Air Force Office of Scientific Research, Office of Naval Research, the National Science Foundation, the US Department of Energy, the European Commission and the Washington Institute for clean energy.


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