China has unveiled the world's largest wide and heavy plate mill, a technological breakthrough that ensures the production of high-quality steel plates for critical applications such as aircraft carriers. This state-of-the-art 5.5-meter wide and heavy plate mill, developed with international standards, has recently completed its final assembly and joint inspection at China Yizhong Group Co., Ltd. It is set to be delivered to Angang, one of China’s leading steel enterprises.
The mill is designed for producing large-scale steel plates used in military and civilian ships, high-strength oil and gas pipelines, and specialized steel for nuclear power plants. Its successful development marks a significant step forward in breaking foreign technological barriers in the field of special steel. This advancement will play a vital role in boosting China’s energy transportation, shipbuilding industry, and national defense capabilities.
Developed through a collaboration between Yizhong and the German company SMS, the 10,000-ton rolling mill is the largest and most powerful of its kind globally. It consists of over 40 individual machines, including roughing and finishing mills, and represents a major leap in China’s industrial technology.
Manufacturing such a complex and high-precision system is extremely challenging, with only a handful of countries—mainly Germany and Japan—capable of producing similar equipment. The completion of this mill highlights the rapid progress of China’s heavy machinery industry and its growing technical expertise on the global stage.
This milestone not only strengthens China’s self-reliance in critical steel production but also signals a new era of innovation and industrial strength in the country’s manufacturing sector.
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