Hnub no (Lub Peb Hlis 8, 2022) Tuam Tshoj calcined hlawv cov nqi lag luam tau nce siab. Upstream raw cov ntaub ntawv tam sim no, roj av coke nqi txuas ntxiv nce, calcined burning nqi nruam pressurization, refinery ntau lawm, cov khoom lag luam nce me ntsis, downstream aluminium en ...
Nyeem ntxiv