China Nonferrous Mining Corporation Limited Announces Production Guidance for 2022. Company estimates that the Group will produce approximately 140,000 tonnes of copper cathodes, approximately 370,000 tonnes of blister copper and copper anodes, approximately 160,000 tonnes of copper by self-owned mines, approximately 950,000 tonnes of sulphuric acid, approximately 1,200 tonnes of cobalt contained in cobaltous hydroxide and approximately 25,000 tonnes of liquid sulphur dioxide in 2022.