Corporate history
1951 Kotobuki Sangyo Co., Ltd. established
Acknowledged as a regular trader with Fuji Iron & Steel Co., Ltd. Muroran Works
1962 Tokyo Branch (currently Tokyo Sales Office) established
1963 Mill roller guide developed and registered as a new practical proposal
1967 Hassamu factory constructed within Sapporo steel industry estate
1971 Sendai Sales Office established
1977 Osaka Sales Office established
1982 Okayama Sales Office established
1983 Nagoya Satellite Office (currently Nagoya Sales Office) established
New factories added to the Hassamu factory complex
Kisarazu Satellite Office established
1988 Kyushu Satellite Office (currently Kyushu Sales Office) established
1990 Rifu factory and new company premises established in the town of Rifu, Miyagi prefecture
1991 Kotobuki Sangyo Kikai (currently Kotobuki Machinery Co., Ltd.) established
2000 ISO9001 certification received (Hassamu factory)
Private placement bonds issued
2005 Zenibako factory established in Zenibako, Otaru
2006 Hassamu factory renovated
2019 Headquarters renovated
2021 Osaka sales office moved to Shinei Daiichi Bld.2F, 3-34-15, Tarumi-cho, Suita-shi, Osaka