| 1989 |
Sep |
Established the Thailand factory in Lamphun, Thailand |
| 1995 |
Oct |
Begun design and production of Power Inductor coils |
| 1997 |
Feb |
Thailand factory obtained ISO9002 certification |
| 1999 |
Mar |
Laos factory started the mass production |
| 2000 |
Feb |
Thailand factory obtained ISO9001:2000 certification |
| 2004 |
Aug |
Thailand factory obtained ISO14001:1996 certification |
| 2016 |
|
Establishment of TW Thailand (TWT) Co.,Ltd |
|
|
Started Product Automation of All SHP series in Thailand factory |
|
Aug |
Thailand factory obtained ISO14001:2015 certification |
|
Dec |
Laos factory obtained ISO14001:2015 certification |
| 2017 |
|
Started Production of Nickel Ferrite Core in Thailand factory |
| 2018 |
Feb |
Thailand factory obtained ISO9001:2015 certification |
| 2018 |
May |
Laos factory obtained Sony Green partner certification |
| 2018 |
Aug |
Thailand factory obtained IATF16949:2016 certification |
