Metal tellurium, high-purity tellurium is an off-white metallic luster prismatic crystal or powder, density 6.24g/cm3, melting point 449.5°C, boiling point 988°C, soluble in concentrated nitric acid, concentrated sulfuric acid and strong alkali, not at room temperature ~ Oxygen effect is mainly used in the preparation of semiconductor compounds, thermoelectric conversion elements, piezoelectric transistors, infrared detector elements, light control elements, light deflection elements, and special metal materials. It is widely used in civil, military, aerospace, and electronics fields.
At present, the output of domestic and foreign manufacturers is relatively small. Only a few countries such as the United States, Belgium, and China produce them. The world's annual output is about 400 tons, and the purity is mostly between 3N-4N. 5N-6N products are less, and the world demand is 400 -500 tons. With the rapid development of high-tech products such as the electronic information industry, the demand for tellurium is growing rapidly. The demand for 5N high-purity tellurium in the international market has grown particularly rapidly, and the market is in short supply. In the international market, the selling price of 3N-4N tellurium is mostly between 1.2-1.3 million yuan/ton, while the sales price of 5N tellurium is as high as 1.6-1.65 million yuan/ton.
Guixi Sanyuan Metals Co., Ltd. has an annual output of 100 tons of tellurium ingots and a trade volume of 60 tons. The output and trade volume of tellurium ingots rank among the top in China, with a domestic market share of about 15%. The quality of tellurium ingots is above 99.99%, and the order quantity is very stable. In recent years, the order quantity has been increasing year by year, and the production capacity and output have also been expanded year by year.
After testing and trialing by the Belgian SIDECH company, it is believed that the products have reached the international advanced quality standards, and promised to underwrite all the company's high-purity tellurium products.
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