Analysis of information sources in references of the Wikipedia article "弗里德里希·克虜伯" in Chinese language version.
In 1811 Friedrich Krupp and two partners founded in Essen a plant to produce English cast steel and related products, called a Gussstahlfabrik (cast-steel factory).
In 1811 Friedrich Krupp and two partners founded in Essen a plant to produce English cast steel and related products, called a Gussstahlfabrik (cast-steel factory).