Corporate History | About Us | Sumitomo Metal Mining Co., Ltd.
The management of the Sumitomo Jointstock Company and the Besshi Mining Company was divided in order to establish Sumitomo Besshi Mining Co., Ltd. 1937 June: Sumitomo Besshi Mining Co., Ltd. and Sumitomo Coal Mining Co., Ltd. merged to establish Sumitomo Mining Co., Ltd. 1939 November: Production of electrolytic nickel started.