Tin smelting Centre owned by the corporate is situated in Mentok, Bangka and Kundur in Riau. The two smelting units have a complete of twelve units of furnaces. To further improve the caliber of the raw materials tin ore, the corporate also includes a Centre of tin ore leaching (washray). https://timah-hitam28371.mdkblog.com/36168886/examine-this-report-on-cara-masang-plat-timah