Tin smelting Centre owned by the corporate is situated in Mentok, Bangka and Kundur in Riau. The two smelting units have a total of twelve models of furnaces. To further improve the quality of the raw content tin ore, the corporation also has a Middle of tin ore leaching (washray). https://harga-timah-hitam25937.getblogs.net/62958860/about-peralatan-rumah-sakit