Portable Water Quality MeterP-40 Series
Optical Dissolved Oxygen ProbeMM4-DDO
Desktop Water Quality Meter X Series
Ambient Air Monitoring System
Why Are We Different?
For Our Future
Message from the President
DKK-TOA Corporate Video
Environment / CSR Report(in Japanese)
With the motto of "Good faith, Creation and Challenge", DKK-TOA Corporation contributes to protecting the global environment and realizing the social environment that is kind to people.
President, Representative DirectorToshio Takahashi
Research & Development