Tin smelting Centre owned by the organization is found in Mentok, Bangka and Kundur in Riau. Both of those smelting models have a total of 12 units of furnaces. To boost the standard of the Uncooked materials tin ore, the business also has a center of tin ore leaching (washray). https://troyjnmmm.tinyblogging.com/the-basic-principles-of-plat-timah-74178618