A formal letter with Chinese characters, dated 11/4/2009, addressed to "沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪沪