SEOUL, May 29 (Reuters) - South Korea has issued a tender to buy 10,000 tonnes of aluminium ingot for July 31 shipping, the state-run Public Procurement Service said on Friday.
    The agency is seeking 6,000 tonnes of the metal of western origin to the port of Incheon and 4,000 tonnes of non-western origin to the port of Gunsan, it said.
    The tender will close at 1:30 (0430 GMT) on June 4.