KIEV, Nov. 21 ??“ Russia's Metalloinvest Holding and Zaporizhia-based Smart group have hired an international engineering company, Canada-based Hatch Group, to assess the facilities of Kryvy Rih oxidized ore-mining and dressing mill.

The company has already started working, Andrey Torgashev, Hatch chief manager in Russia and the CIS, has told Interfax-Ukraine.