[SMM Flash News] Lead prices fluctuated upward during the week, and smelters' enthusiasm for shipping increased, but most deliveries were still dominated by long-term contracts. The ex-factory, tax-included prices of secondary refined lead were at a discount of 170-0 yuan/mt against the SMM 1# lead average price. Downstream enterprises had a strong wait-and-see sentiment and only made just-in-time procurement.