PPA expands mining services to nickel in diversification from coal Tuesday, October 12 2021 - 04:24PM WIB By Tri Subhki R Mining contractor PT Putra Perkasa Abadi PPA has started expanding its services ... Log in to read the story Login Related News & Products Timah faces revenue decline and net loss in 2023 amid market challenges Vale Indonesia appoints Emily Olson as President Commissioner Antam reports decline in revenue and profit for 2023 Prosecutors seek 5-year sentences in nickel corruption case Indonesian Nickel Book 2022 LAW NO. 3 OF 2020 REGARDING AMENDMENT OF LAW NO. 4 OF 2009 REGARDING MINERAL AND COAL MINING The Financial Services Authority (OJK) Regulation regarding carbon trading through carbon exchange Compilation of Nickel Smelters in Indonesia