Cognetas LLP, an independent mid-market European private equity firm, has agreed to sell KSM Castings Group (KSM) to China's CITIC Dicastal Wheel Manufacturing Co, Ltd (CITIC Dicastal), one of the world's largest suppliers of cast aluminum wheels for the automotive industry. In 2005, Cognetas led the management buy-out of KSM Castings, formerly ThyssenKrupp Fahrzeugguss, from ThyssenKrupp AG. KSM is…