SHANGHAI, Jul. 17 (SMM) – SHFE lead prices opened slightly higher and moved weakly on Tuesday. Offers in China’s spot lead market edged up. Nanfang and Shuikoushan were mainly quoted between RMB 15,090-15,100/mt, with spot premiums over the most active SHFE lead price at RMB 100/mt. Quotations for Mengzi and Hanjiang were at RMB 15,060-15,070/mt and Shenqian was quoted at around RMB 15,030/mt. As lead prices kept rising, downstream buyers remained cautious with limited deals made.