SHANGHAI, Sept. 29 (SMM)--SHFE lead prices opened lower and then continue to fluctuate. Domestic well-known brands such as Nanfang and Chihong Zn & Ge were quoted between RMB 14,100-14,180/mt, with premiums of RMB 50/mt against SHFE 1111 lead contract prices. Downstream buyers were aggressively purchasing at lower prices ahead of the National Day holiday, while traders were also moving goods to generate cash at the end of the month.