Anton Marchuk is a Commercial Engineer who specializes in non-ferrous metals and minerals. Through his 13 years of extensive international expertise, he was successfully busy in many spheres of this business - mining, concentration, smelting, recycling, processing and trading and right now he is working on a commercial system development for polymetallic mining deposit in South America. Willing to see competent people in metals and minerals business, he is sharing his experience, knowledge, and secrets.