| Jul | 1982 | Established DYNAOX, Inc. (Japan) |
| Aug | 1994 | Established DYNAOX Hong Kong Corp., Ltd. |
| Oct | 2000 | Established DYNAOX USA, Inc. in USA |
| Oct | 2001 | Established NSD Seimitsu Co., Ltd. as joint venture in Hong Kong and established the factory in Shenzhen |
| Oct | 2002 | Established DYNAOX Shanghai Co., Ltd. in China |
| Jul | 2003 | DYNAOX head office transferred from Japan to Hong Kong |
| Jul | 2006 | Established DYNAOX Hong Kong Corp., Ltd. (Shenzhen Representative Office) in China |
| Sep | 2006 | DYNAOX, Inc. (Japan) acquired Ecostage 1 certification |
| Jun | 2007 | DYNAOX, Inc. (Japan) acquired Ecostage 2 certification |
| Mar | 2008 | DYNAOX Hong Kong Corp., Ltd. acquired ISO 14001:2004 certification |
| Jun | 2009 | Factory of NSD Seimitsu Co., Ltd. relocated from Shenzhen to Dongguan |
| Jun | 2009 | Closed DYNAOX Hong Kong Corp., Ltd. (Shenzhen Representative Office) and relocated the office to Dongguan |
| Oct | 2011 | Established NSD’s Dongguan DS Metal Works Co., Ltd. in China, which is formerly known as DS Metal Precision Factory. |
| Apr | 2015 | Established DYNAOX Vietnam Corporation Limited in Vietnam |
| Sep | 2016 | DYNAOX acquired Fuji Seiko Co., Ltd., which is located in Shizuoka, Japan |
| Apr | 2019 | Fuji Seiko’s new Yaita factory has been built and started operation |
| Sep | 2020 | Dongguan DS Metal Works Co., Ltd. was changed to Joint Venture with China |
| Dec | 2020 | Closure of DYNAOX USA, Inc. |
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