KS-G

treatment of materials in the nature of steel and metal; applying protective coatings to metal by technological means, namely, by means of vacuum deposition, sputtering, ion plating, and arc ion plating; electro and metal coating in the nature of electro-plating and applying protective coating to metal by technological means, namely, by means of vacuum deposition, sputtering, ion plating, and arc ion plating, metal treating and casting, hardening of metal and metal products; metal treating; metal plating