SHANGHAI, Mar. 20 (SMM) – Spot aluminum was mainly traded at RMB 14,490-14,520/mt in Shanghai on Wednesday, a discount of RMB 70-100/mt over SHFE current-month aluminum contract prices. Low-iron aluminum was trade around RMB 14,670/mt. SHFE 1306 aluminum contract prices edged up, sending spot aluminum prices up above RMB 14,500/mt. Traders were eager to sell, while middlemen went bargain-hunting. However, downstream producers refrained from buying at highs, leaving overall trading moderate.