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Company Outline

History

Yoyu Co., Ltd.Nichiyoko Techno Services Co., Ltd. Sumiyo Corporation
May, 1957Futaba Industry Co., Ltd. was founded
(Minato Ward, Tokyo, Capital ¥5 hundred thousand
August, 1959Capital increased to ¥1.5 million
September, 1959Capital increased to ¥3 million
May, 1969Changed its trade name to Cyusangyo Co., Ltd.
June, 1969The head office was moved to Shinagawa Ward, Tokyo
October, 1970The head office was moved to Chuo Ward, Tokyo
July, 1973Capital increased to ¥6 million
September, 1976Capital increased to ¥15 million
October, 1976Changed its trade name to Yoyu Co., Ltd.
June, 1977The head office was moved to Chiyoda Ward, Tokyo
May, 1982Fuso Industrial Co., Ltd. was founded
(Amagasaki City, Hyogo Prefecture, Capital ¥5 million)
July, 1987Sanwell Co., Ltd. was founded
(Sagamihara City, Kanagawa, Capital ¥5 million)
August, 1991Head office was relocated to Narashino City, Chiba
June, 1995Capital increased to ¥10 million
August, 1996Capital increased to ¥10 million
June, 1996Changed its trade name to Nichiyoko Techno Services Co., Ltd.
April, 1997Merged with Nippon Steel Welding Material Distribution Center
Capital increased to ¥31 million
April, 2000Merged with Sumiyo General Planning Co., Ltd.
Changed its trade name to Sumiyo Corporation
Capital increased to ¥30 million
July, 2002Head office was relocated to Kashiwa City, Chiba
January, 2005Capital increased to ¥99 million
April, 2009Merged with Nichiyoko Techno Services Co., Ltd. and Sumiyo Corporation
Changed its trade name to NS-WELDX Co., Ltd.
June, 2014Relocated head office to Koto Ward, Tokyo
April, 2019

Company name change from Nippon Steel & Sumikin Metal Corporation to
Nippon Steel Corporation.

Company name change from Nippon Steel & Sumikin Welding Co., Ltd. to
Nippon Steel Welding & Engineering Co., Ltd.