OPT change to H-4 Questions?

I got problem with my PI, and she refused to sponsor my H1B, I have to change my visa to H-4. Any one has any information about this transfer? How long it takes to get this visa? and what kind of materials needed? Do I need to go back to China for interview or can I go to mexico for interview?
waiting for answers online now.
Thank you very much for your any information.

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回複:OPT change to H-4 Questions? -mhsz- 給 mhsz 發送悄悄話 (117 bytes) () 11/21/2005 postreply 12:37:11

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