SHANGHAI, Apr. 1 (SMM) –Spot aluminum largely traded between RMB 13,250-13,260/mt in Shanghai on Wednesday, discounts of RMB 130-140/mt over SHFE 1504 aluminum contract, versus RMB 13,230-13,250/mt in Wuxi, and RMB 13,290-13,300/mt in Hangzhou. Limited supply in Shanghai allowed local suppliers to hold offers firm. Hedged goods flowed in due to narrowing spot discounts in Wuxi. Traders in Wuxi were cautious about buying, while local processors bought only to need.