Copper futures traded on Shanghai Futures Exchange little changed from Friday's settlement, as market awaits preliminary import, export data for April, while LME 3-month copper giving no cues, analysts say. Local analysts, traders estimate sharp drop of imports in April from March, due to unfavorable price differentials between LME, SHFE; worry data may be inaccurately read as sharp slowdown in Chinese demand, which may pressure LME prices. Benchmark July contract at CNY69,860/ton, down CNY20. LME 3-month at $7,890/ton, unchanged from Friday's PM kerb. Aluminum futures up, following steady decline of exchange stocks since mid-March. Benchmark July contract at CNY20,640/ton, up CNY160.