May 17 Chinese developer Greenland Holding Group Company Ltd will pay HK$1.5 billion for a controlling stake in luxury auto dealer China Rundong Auto Group Ltd, the latter said in a stock exchange filing in Hong Kong on Sunday. Rundong Auto, backed by U.S. private equity firm KKR & Co LP , said it will sell a 46 percent controlling stake to Greenland and change its name to China Greenland Rundong Auto Group Limited.