SHANGHAI, Apr. 3 (SMM) –Spot aluminum largely traded between RMB 13,280-13,290/mt in Shanghai on Friday, discounts of RMB 110-120/mt over SHFE 1504 aluminum contract, versus RMB 13,270-13,280/mt in Wuxi, and RMB 13,330-13,340/mt in Hangzhou. Suppliers were eager to sell before the upcoming Tomb Sweeping holiday, but traders and processors showed little buying interest.