South Korea bought 2,500 tonnes of aluminium for June arrival via tenders closed on Tuesday, the state-run Public Procurement Service said on its website ( Details of the purchase are as follows: TONNES SUPPLIER/PREMIUM(CIF/T) ORIGIN ARRIVAL/PORT 1,000 Prime Global/$333 Western June 11/Busan 1,500 LG Int’l Corp/$339 India June 11/Incheon * Note: The above premiums were made over London Metal Exchange (LME) prices.