SHANGHAI, Jul. 30 (SMM) – In Shanghai tin market, spot tin prices were mainly between RMB 143,000-144,500/mt last Friday, with trading still quiet. Goods were mainly supplied by Yunxi, Yunheng and Jinlong. LME tin prices touched a high of USD 18,000/mt in the afternoon session, boosting several traders to raise quotations marginally. However, mainstream traded prices were little changed, and transactions did not improve. Deals for Yunxi and Yunheng were mainly between RMB 143,000-143,500/mt while Jinlong was traded primarily at RMB 142,000/mt.