Oversea Chinese Banking Corp. is in talks with a group closely associated with Thai billionaire Charoen Sirivadhanabhakdi, to sell its stake in United Engineers Ltd, a property firm. OCBC has a 36% stake in United Engineers. If a deal could be struck from these talks the Sirivadhanabhakdi backed group will have to take a takeover attempt for United Engineers, which has a market cap of $1.2 billion.