Thank everyone! Issue resolved.
Called CC company. Just like northgirl said, there is a Fraud dept. in CC company. Dispute dept transferred me to Fraud dept.  Fraud dept. taked over the case. They canceled my old card and issued a new card to me. Also they said they will credit my money back. I have to fill out a form which ask me recall where I used my card recently. 
Thanks a lot everyone who provided info. Thank northgirl!!!
Thank everyone! Issue resolved.
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                    回复:Thank everyone! Issue resolved.
                     -maomao07- 
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                        02/28/2007 postreply
                                                20:51:24
                    
                    
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                    回复:回复:Thank everyone! Issue resolved.
                     -ESPP- 
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                        03/01/2007 postreply
                                                11:49:53