SHANGHAI, Oct. 21 (SMM) – On October 21, spot lead prices in Shanghai edged up. Prices for Chihong Zn & Ge were between RMB 14,290-14,300/mt, flat with last Friday and with a contango of RMB 120-130/mt against the most active SHFE lead contract price. Supplies from the company increased. Hanjiang, Mengzi, and Yunyue were traded at RMB 14,220-14,230/mt, while Humon and Shenqian were sold at RMB 14,160-14,180/mt. Deliverable brands, except for Chihong Zn & Ge, were hardly seen as traders rarely conducted arbitrage. Downstream consumption was poor.