Dec 20- U.S. diversified manufacturer Crane Co said it will buy MEI Conlux Holdings and its Japanese affiliate for about $820 million from Bain Capital and Advantage Partners.
*U.S.- China accounting dispute threatens to escalate. SINGAPORE/ NEW YORK, Dec 7- A dispute between U.S. and Chinese regulators over access to corporate audit documents is casting a lengthening shadow over U.S. stock markets, with some major U.S. firms now concerned that they could be drawn into a potential accounting crisis.