Refractory materials in ancient, medieval, Renaissance, refractory materials for blast furnaces, coke ovens, hot blast stoves before and after the industrial revolution, new refractory materials and their manufacturing processes in the late modern period, modern refractory manufacturing technology and major technological advances, and refractory materials for the future Prospects for development, refractory materials and high-temperature technology accompanied, roughly originated in the middle of the Bronze Age. In the Eastern Han Dynasty of China, clay refractories were used to make kiln and enamel for burning porcelain.
At the beginning of the 20th century, refractory materials were developed in the direction of high-purity, high-density and ultra-high-temperature products. At the same time, unshaped refractories and refractory fibers that did not require firing and had low energy consumption appeared. Modern, with the development of atomic energy technology, space technology, and new energy technology, refractory materials with high-temperature, corrosion-resistant, heat-resistant, and refractory-resistant materials have been applied. There are many factories in China that produce refractory products. China has abundant resources, and it is precisely because of this reason that major foreign investors have also come to China to show their talents and show their talents.
In the northeastern part of China, where refractory suppliers are extremely lucrative, other foreign investors have questioned their low export prices, and in 2003 the EU introduced anti-dumping against new Chinese refractory products, limiting products. Exports to the EU. In 2006, in order to protect the loss of raw material resources, China has reduced the tax rebates for some industries, which greatly limits the export of products. But this does not limit the sales of some foreign brands to a large extent, because they have dozens or even hundreds of years of sales and production experience, and they have greatly occupied the market, and also created their brand effect on all continents.
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