SHANGHAI, Jul. 12 (SMM) – In Shanghai tin market, spot tin prices were mainly between RMB 147,500-149,000/mt Wednesday. Transactions were mostly traded at lower prices with market remaining weak. Smelters limited sales, giving certain support to tin prices. However, as demand remained sluggish, tin prices still followed a downtrend. Yunheng and Nanshan were mainly traded at RMB 147,500/mt, while transactions for Yunxi were mainly concluded between RMB 148,000-148,500/mt. Smelters still held quotations firm. Given the depressed market and a lack of upward momentum, tin prices will unlikely improve in short term.