Engineering design services; Engineering services in the field of optical materials; Custom design and engineering of optical windows; Custom design and engineering of glass and sapphire optical windows; Consulting services in the field of product design and development; Research and development of new products; Research and development and consultation related thereto in the field of optical materials; Design of optical components

METAL TREATMENT SERVICES, NAMELY, TREATING THE SURFACE OF FERROUS METAL PRODUCTS WITH METALLIC COATINGS TO PREVENT CORROSION AND EROSION

corrosion and erosion preventive, fused, metallic coatings sold as an integral component of wrought metal products, namely, bars, rods, plates and sheets, panels, waterwell panels and wire screens and metal castings

metallic diffusion coating to prevent corrosion and erosion for general industrial use