Metalloinvest launches production of grinding balls at OEMK. Oct 12 2020 · Russiabased leading steel producer Metalloinvest has announced the launch of production of a new product at its subsidiary OEMK Accordingly the company has launched a ball rolling facility with an annual capacity of 43000 mt of grinding balls with a diameter of 100120 mm weighing 46 kg and 8 kg …
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