Profile: Best Technology offers precision cleaning, finishing and tooling equipments. Our product line includes automated & manual ultrasonic cleaners, parts washers, rotary spray cabinet washers, vapor degreasers, automation systems, paint finishing system, electropolishing & passivation systems, laser welding, marking and cutting. Our passivation removes iron from the surface of stainless steel by a treatment of an acidic solution leaving chromium at the part surface.