SHANGHAI, Sept. 19 (SMM)--LME base metal prices closed with declines last Friday. LME zinc prices edged up as of the midday, and touched an intraday high at USD 2,221/mt. Dragged down by concerns over European debt crisis, LME zinc prices fell to close at USD 2,162/mt, down USD 28.5/mt. SHFE three-month zinc contract prices should open lower today, moving between RMB 16,600-16,900/mt. Spot discounts should be between negative RMB 80-180/mt against SHFE 1111 zinc contract prices.