Ore Dressing Recovery Percentage of Tin in China in May. 2018 provides the latest data on Mining and Dressing of Tin Ore in China. The data page details 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 Mining and Dressing of Tin Ore , helping you to grasp the latest data dynamics on the Tin market.