For over 20 years now, Company TechTest, s.r.o  have been active in the fields of surface-finishing, surface-preprocessing, engineering, and electrical device design. TechTest, s.r.o. develops and manufactures optical detectors Recognoil®. Their second division inspects bridge structures and surface treatments. The focus of Techtest is contactless detection of unwanted surface contamination. They provide complete solutions from production process optimization to digitization. The devices we’ve developed have found their application in many places and many industries all over the world.