Before we introduces the development of foreign color coated steel coil. Now, we will introduce the development of domestic color coated steel coil. In China, the production of domestic color coated steel coil started relatively late. The study began in the national “Seven Five” plan. In the early 1980s, metallurgy, chemical industry, light industry and several other departments entered into the production process and product application technology research of the organic coating steel sheet at the same time. That laid the foundation for the later work of introducing the foreign production line.
China’s first batch of color coated steel production line was respectively brought in from the United States, Britain and Japan in the early 80s of the 20th century. This production process was emerging industries at that time in the country. The advantages of the product has not been fully recognized by the people. So most of the production lines were in an unsaturated state. At the end of the 20th century, the development of domestic color coated steel coil ushered in the second climax. There already have more than 20 pieces of color coated lines on the upper scale in China. And medium and small production lines are countless. The annual production capacity has reached 1.5 million tons.
When entered into the 21st century, more than 30 large enterprises in China. Such as Capital steel, Benxi Steel and Panzhihua steel have been built or under construction the color coating production line in the scale of more than 100,000 tons. Unit production capacity is higher, and equipment level is also high. In addition, many private enterprises also invest in color coated plate production line. It almost adopts domestic equipment, and the products mainly for building materials and decoration industry. Foreign investment and some investment from Taiwan have also landed to build color coating units, and these units are mostly concentrated in China’s coastal areas.
Color coated board production mainly concentrated in the east and north of China. According to the incomplete data in statistics, the color coated plate production capacity in the two areas account for 66.5% of the total production capacity. According to statistics in recent years, China still needs to import color coated plates from abroad each year. It can be seen that the development of color steel plate in China is still in a great market.
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