Tin smelting center owned by the corporation is located in Mentok, Bangka and Kundur in Riau. Equally smelting units have a total of 12 models of furnaces. To improve the standard of the Uncooked substance tin ore, the corporation also includes a Middle of tin ore leaching (washray). The two https://plat-timah84826.fare-blog.com/30572494/what-does-rumah-mean