LanguageEnterprise History
Jul.1955 | Founded as a diaphragm valve manufacturer with a capital of 10million yen |
Mar.1958 | Opened Osaka Branch Office |
Aug.1958 | Became a group company of Sankyo Co., Ltd. |
Sep.1959 | Opened Nagoya Sales Office |
Mar.1961 | Opened Kitakyushu Sales Office |
Jan.1963 | Acquired Yoshida Seisakusho Co., Ltd. and reopened as Osaka Plant |
Jan.1965 | Started marketing ball valves |
Dec.1967 | New headquarters and main plant were built at current site |
May.1969 | Tokyo Valve Industry Co., Ltd. was founded |
Sep.1970 | Opened Okayama Sales Office |
Apr.1975 | Acquired Tokyo Valve Industry Co., Ltd. and reopened as Tokyo Plant |
Dec.1978 | Tokyo plant acquired certification under High Pressure Gas Safety Act |
Dec.1980 | Opened Tokyo Sales Office and Osaka Sales Office |
Dec.1981 | Started marketing butterfly valves |
Aug.1989 | Integrated Tokyo plant into Head Office |
May.1994 | Integrated Tokyo Sales Office into the Headquarters |
Apr.1995 | Established Overseas Sales Department (now International Sales Department) |
Apr.1999 | Acquired ISO 9001 Certification |
Oct.2000 | Opened Osaka Manufacturing Center |
Apr.2005 | Became a group company of Seika Corporation |
Sep.2006 | Founded Tianjin Daiya Valve Co., Ltd. in PRC |
Mar.2008 | Acquired ISO 14001 Certification |
Aug.2013 | Opened TDV Shanghai Office |
Mar.2015 | Opened NDV (Thailand) Co., Ltd. |
Nov.2022 | Tianjin Daiya Valve Co., Ltd. Head Office Plant was newly constructed and moved to the current address |