I140 NIW approved, can I travel out of US?

My I-140 was approved, waiting for PD(EB-2). Can I go back to China and apply for H1B there? I applied for H1B visa two years ago in Mexico. I also get approved for Canadian green card. I am afraid I cannot come back if I go to Canada for landing. Thanks in advance for sharing your info.

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• 回複：I140 NIW approved, can I travel out of US? -rancho- ♀ (168 bytes) () 03/27/2007 postreply 00:12:54

• where did you apply for the visa? Did you tell them you applied -jjjzzz19- ♀ (35 bytes) () 03/27/2007 postreply 12:42:08

• 回複：where did you apply for the visa? Did you tell them you ap -rancho- ♀ (81 bytes) () 03/27/2007 postreply 19:55:45

• Why did not you go to China to apply for visa? Is that because i -jjjzzz19- ♀ (0 bytes) () 03/28/2007 postreply 18:15:43