Refinery is an indispensable and economic process for all of those companies having a high quality standard of their production as base target. As a matter of facts, running such kind of plant, it is possible to operate a daily refinery, to get back a kind of pure gold perfectly ready for the melting process. It is also well known that gold, melting by melting, loose its mechanical and chemical features. By the fast refining system we offer, the normal alloy is always refreshed with quality carrying malleable features always over the standard.