Our customers appreciate the in-depth technical and commercial advice provided by our sales team.
Silvia Grob
Internal Sales Manager
Silvia Grob

Special Processes

STI Group is a complete service provider offering a wide range of technologies, including the following surface coating processes: hard chrome, galvanic nickel plating and electroless nickel coating, thermal coating, DryCoating (plasma-nitriding, PVD, PACVD) and paint coating. STI Group also undertakes mechanical processing such as grinding, blasting, polishing, turning, drilling and milling. In addition, STI Group offers a wide range of special processes. Furthermore, thanks to the company's own R&D Department, customers have the option to have tailormade coating systems developed for them. 

STI Group - special processes
  • Cadmium plating
  • Thermal treatment/dehydrogenizing 
  • Electropolishing
  • Burnishing
  • Silver plating
  • Tin plating
  • Stainless steel passivating
  • Zinc phosphating
  • Magnesium phosphating
  • Various paint coating processes
  • Decontamination