SHFE aluminum followed other base metals down on Monday. 

East China Aluminum Prices Largely Stable, Trading Thin (Sept. 21, 2015)

SHANGHAI, Sept. 21 (SMM) – SHFE aluminum followed other base metals down on Monday. SHFE 1512 aluminum hit a two-week low of RMB 11,900/mt after opening at RMB 12,045/mt. Finally, the most active contract ended down RMB 130/mt or 1.08% at RMB 11,920/mt. Trading volumes were up 19,174 lots to 35,218 lots, and positions were up 4,692 lots to 118,000 lots. The light metal should test support at RMB 11,800/mt in the near term. &nbsp;