An employee checks aluminium ingots for export at the Qingdao Port, Shandong province March 14, 2010. REUTERS/Stringer/File Photo

An employee checks aluminium ingots for export at the Qingdao Port, Shandong province March 14, 2010. REUTERS/Stringer/File Photo

An employee checks aluminium ingots for export at the Qingdao Port, Shandong province March 14, 2010. REUTERS/Stringer/File Photo

June 8, 2016 11:31 AM (UTC+8)