DKK-TOA is a COMPREHENSIVE measuring instrument manufacturer that provides various analytical instruments based on "Water / Air " as our business pillars.

Based on our measurement technology for "Water, Air", we produce a wide range of products from environmental measuring instruments to chemical analyzers. We further provide quality and process control to meet customers' requirements. We will be celebrating our 80th anniversary in 2024. We provide products and services from the perspective of our customers using our unique technology we have cultivated over many years.