Dovianus BV
In the late '70s, our company developed the DopakĀ® sampling system to address contamination, inaccuracy, and safety issues with open containers.
Introduction
In the late 1970s, our company recognized the significant drawbacks of using open containers for drawing process samples. These methods invited contamination, led to inaccurate results, and presented serious health and environmental risks. In response, we developed the DopakĀ® sampling system, which quickly became the industry standard for safe and accurate sampling.

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GF TEC, founded in 1998 by Werner Grafenau, is a medium-sized control and distribution company owned by Werner and Ingeborg Grafenau.
Brief: A global company providing high-quality, cost-effective solutions for oil, gas, refining, chemical, and power industries.