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iron ore development process

Jul 26, 2019· Arguably, the key development came in 1783-4, when Henry Cort introduced the puddling and rolling techniques. These were ways of getting all the impurities out of iron and allowing large-scale production, and a vast increase in it. The iron industry began to …

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Project Cases Have Covered Nationwide Market And Been Exported To More Than 160 Countries And Regions In The World.