Werner & Mertz GmbH
With brands such as Erdal, Frosch and tana, Werner & Mertz is well established on the European market as an innovative company.
Introduction
With brands such as Erdal, Frosch and tana, Werner & Mertz is well established on the European market as an innovative company.

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GS-Tek is a lead manufacturer of chromatography columns and analytical solution base analyzers in Delaware, USA. We provide our customers with a wide range of quality products including chromatographic columns, consumables, supplies, and solution bas