60Kt/a Ausmelt smelting +Ausmelt converting 10 Yun Tin Group Smelter 100Kt/a Ausmelt smelting + Ausmelt converting Total capacity: 10 units 1240kt/a TSL smelting in China. Sideblown furnace in Zhejiang Heding Smelter Technological development of pyrometallurgy ——Side blown smelting.