Metal finishing, surface finishing:
DIN 50 939: Chromating of aluminum;
DIN 50 941: Galvanizing of small parts and large parts up to 4 m in length and chromating of A-F;
DIN 50 941: Zinc-iron coatings Cr 6+ free;
DIN 50 942: Phosphating of metals;
DIN 50 961: Zinc coatings on ferrous materials;
DIN 50 965: Tin coatings on iron and copper materials;
DIN 50 967: Galvanic coatings, nickel-chromium coatings

