Huayue starts trial production of HPAL smelter Thursday, December 2 2021 - 04:11PM WIB PT Huayue Nickel amp Cobalt rsquo s high-pressure acid leach HPAL smelter located at the Indonesia ... Log in to read the story Login Feedback Related News & Products 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 Vale Indonesia appoints Emily Olson as President Commissioner Timah faces revenue decline and net loss in 2023 amid market challenges Antam reports decline in revenue and profit for 2023 Indonesian Nickel Book 2022 Prosecutors seek 5-year sentences in nickel corruption case Compilation of Nickel Smelters in Indonesia