Economic Indicator of Tin Smelting in China in May. 2012 provides the latest data on Tin Smelting Economic Indicator in China. The data page details Economic Indicator data, YoY(%), MoM(%) and other data in China during the current monthly. CBC Metal China Tin provides you with the latest and most accurate information on the market's Tin Smelting Economic Indicator, helping you to grasp the latest data dynamics on the Tin market.