SHANGHAI, Jun. 7 (SMM) – Spot aluminum was traded at RMB 14,940-14,960/mt in Shanghai on Friday, a premium of RMB 30-40/mt over SHFE 1306 aluminum contract prices. Low-iron aluminum was traded around RMB 15,070/mt. SHFE 1306 aluminum contract prices extended gains for a tenth straight trading day, pushing spot aluminum up to RMB 14,950/mt. Traders raised offers at premium of RMB 30/mt over SHFE current-month aluminum contract prices, while downstream producers continued to purchase in modest amounts, leaving trading brisk. Trading will be light this Saturday and Sunday as both suppliers and buyers will be on holiday.