Recognoil® products are designed and manufactured by TechTest s.r.o. in the Czech Republic. Founded in 2011, the company is an established company in the field of industrial detection of oil and grease substances using optoelectronic devices using the UV method. The devices developed by us are used worldwide across various fields and applications. The main products include Recognoil® 2W mobile devices, Recognoil QB® laboratory devices and specialized systems for automation of production processes. The company's know-how is based on more than 20 years of experience in the field of surface treatment, surface pretreatment, engineering, and electronic device design. TechTest s.r.o. successfully connects industrial practice with the academic environment and solves projects in the field of R&D (Research and development of equipment for efficient search and securing of dactyloscopic traces, Advanced mechatronic pressing system with controlled lubrication). For efficient and sustainable industrial production in the 21st century, we bring a unique solution within industry 4.0, thanks to which it is possible to effectively ensure not only cleanliness control systems, but above all increase productivity and economy of all production technologies where emphasis is placed on surface quality. Specifically, it focuses on cleaning processes (C&C - Clean and Control) and lubrication processes (L&C - Lubrication and Control). All this with an emphasis on reducing the environmental burden and the economic perspective. When developing our products, we follow the motto: "Fast, reliable and objective surface inspection is the basis of quality and efficient production."