Metso Outotec Corporation press release, December 15, 2020 at 9 00 am EET. Metso Outotec will deliver new, smart flotation cells to GTK Mintec’s pilot plant in Outokumpu, Finland. The delivery consists of approximately 20 pilot flotation machines and additional equipment.Outokumpu is a global stainless steel manufacturer. Hot and cold rolled coil, strip, sheet, precision strip, quarto plate, bar, wire rod, rebar and semi-finished long products. Ferrochrome.