Feb 25, 2022 admin 0 Comments Outotec. Outotec has signed an agreement for the delivery of a siderite calcination plant to Hekimhan Madencilik, a subsidiary of Koloğlu Holding, located in Malatya, Turkey. The value of the order is approximately EUR 23 million, and it has been booked in Metals' Q1/2022 orders received.