SHANGHAI, Mar. 23 (SMM) – The downward trend of spot tin prices continued in Shanghai on Thursday, with mainstream prices dropping to RMB 169,500-171,000/mt. Jinhai, Nanshan, Kaiyuan and Jinlong struck deals at RMB 169,500/mt while Yunxi and Yunheng concluded transactions between RMB 170,000-171,000/mt. Quotations at RMB 171,500/mt were heard for some Yunxi ingots, but deals were hardly struck. Most buyers stood on the sidelines as purchases on Wednesday almost refilled their stocks.