An undisclosed buyer acquired unknown minority stake in Public Joint Stock Company Chelyabinsk Pipe - Rolling Plant (MISX:CHEP) from Mountrise Limited on October 26, 2018. An undisclosed buyer completed the acquisition of unknown minority stake in Public Joint Stock Company Chelyabinsk Pipe - Rolling Plant (MISX:CHEP) from Mountrise Limited on October 26, 2018.