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Graphite and carbon products have excellent performance, application is more and more extensive, productivity and benefits show a rapid growth trend. In 2011, China's graphite and carbon products industry developed rapidly, and enterprises in the industry have a high ability of cost management and control and strong profitability. Data from the national bureau of statistics show that in 2011, China's graphite and carbon products industry achieved a total industrial output value of 167.564 billion yuan. Sales revenue reached 167.765 billion yuan, up 40.58% year on year. The total profit reached 10.959 billion yuan, up 50.87% year on year. With the application of continuous promotion, see China's graphite and carbon products industry competition is becoming increasingly fierce.
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There are many enterprises of graphite and carbon products above the scale in China with low concentration. By the end of 2011, there were 871 graphite and carbon products enterprises above the scale in China, and the total sales revenue of the top ten enterprises only accounted for 13.46% of the whole industry. From the perspective of the development trend and competition pattern of the world graphite and carbon products market, in the future, China's graphite and carbon products industry will gradually focus on large groups, and the concentration degree of the graphite and carbon products industry will be further improved.
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With the rapid development of China's metallurgy, chemical industry, machinery, medical equipment, nuclear energy, automobile, aerospace and other industries, the demand for graphite and carbon products in these industries will continue to grow, China's graphite and carbon products industry will maintain a rapid growth. From 2006 to 2011, China's graphite and carbon products industry sales revenue compound annual growth rate of 36.56%.
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According to the current domestic and foreign economic situation, combined with the sales revenue data of China's graphite and carbon products industry from 2006 to 2011 and China's economic growth data, it is roughly estimated that the annual compound growth rate of sales revenue of China's graphite and carbon products industry from 2012 to 2015 is 21%. In 2015, the sales revenue of China's graphite and carbon products industry will reach 340 billion yuan.
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As early as the 1930s, the production and processing of graphite began in jixi liumao and nanshu graphite mines in heilongjiang province and shandong province. At that time, the ore dressing process was simple, the working conditions of workers were poor, and the productivity was very low, with an annual output of only a few thousand tons. After decades of development, the output of graphite and carbon products in China has increased rapidly. From 2004 to 2011, the annual compound growth rate of the output of graphite and carbon products reached 22.12%. In 2011, the output of graphite and carbon products in China was 25.5617 million tons, up 21.98% year on year.
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Carbon is a very common element. It exists in the atmosphere and the earth's crust in many forms. Carbon elements have long been recognized and used, a series of carbon compounds - organic matter is the fundamental life. Carbon is one of the components of pig iron, cooked iron and steel. Carbon can chemically self-bind to form large Numbers of compounds that are biologically and commercially important molecules. Most molecules in living things contain carbon.
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At room temperature, the chemical properties of carbon are relatively stable, insoluble in water, dilute acid, dilute alkali and organic solvents; Combustion with oxygen at high temperature to produce carbon dioxide or carbon monoxide; In halogens only fluorine can react directly with the elemental carbon; Under heating, carbon is easily oxidized by acid. At high temperatures, carbon also reacts with many metals to form metallic carbides.
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Carbon is reductive and can be smelted at high temperatures. In addition, recent studies have found that graphite can be dissolved by chlorosulfonic acid to form a "solution" of chlorosulfonic acid of single-layer graphene. Graphite is a crystalline mineral of carbonaceous element. The distance between each mesh layer is 340pm, and the distance between carbon atoms in the same mesh layer is 142pm. . It belongs to hexagonal crystal system with complete stratified cleavage. Cleavage surface is dominated by molecular bonds, which are less attractive to molecules, so its natural buoyancy is very good.
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