- 2009/09/09
- Renewal English site
- 2008/07/01
- Renewal site
- 2006/12/11
- Some on the overseas distributor
- 2004/11/26
- Weld On Type view window circle type Weld On Type sight glass (CWB1-XXA) part size correction
- 2004/02/09
- Add Reflex Liquid Level Gages, Transparent Liquid Level Gages, etc.
- 2003/04/18
- Add Weldon Type Liquid Level Gages, Sight Glass, etc.
- 2003/03/31
- Add KLINGAGE MG (Magnet Float) Type Level Gage, etc.