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Metallurgy
Metallurgical industry refers to the mining, selection, sintering of metal ores and smelting, processing into metal materials of the industrial sector. In the process of development, the metallurgical industry is easily affected by many factors due to its own characteristics, such as domestic economy and international economy, mainly reflected in the domestic and international macroeconomic two aspects.
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Power station
A power station is a plant that converts various primary energy sources stored in nature into electrical energy (secondary energy). At the end of the 19th century, as the demand for electricity grew, people began to propose the idea of establishing a power production center. With the development of motor manufacturing technology, the expansion of the application range of electric energy, and the rapid growth of the need for electricity production, power plants came into being.
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Petroleum
The petroleum industry is the industrial sector that extracts petroleum (including natural petroleum, oil shale, and natural gas) and refines and processes it. It consists of oil field geological exploration, oil field development, oil exploitation, transportation, refining and processing. Oil is the "blood" of industry and an important industrial energy source.
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Chemical
The chemical industry includes chemical industry, oil refining, metallurgy, energy, light industry, petrochemical industry, environment, medicine, environmental protection and military departments engaged in engineering design, fine and daily chemical industry, energy and power, technology development, production technology management and scientific research industries.
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Colliery
Coal mining industry refers to an industry based on mining coal resources, it is one of the main sources of national energy, but also one of the important pillars of the national economy. There are a large number of enterprises in China's coal circulation industry, but the scale is small.
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Papermaking
The paper industry is an industrial sector that manufactures various types of paper and paperboard. It includes pulp manufacturing with wood, reed, bagasse, straw, wheat straw, cotton straw, hemp stalk, cotton and other raw materials to make pulp, manufacturing paper and board industry and production of coating, glazing, gluing, laminating and other processing paper and paper plate processing paper manufacturing.