If you haven't received it yet, you could ask your swa, which doesn't mean a bad thing. As Backlog processing center is too slow to wait.
It's better to send to National Process Center and PERM, but, who knows, the damn DOL!
It seems the Chinese Leader, Mr Zhao Xiaolan did nothing for her fellow Chinese, What she needs is only supportor from Chinese/Asia people when she need won the vote. All for political show, nothing good for the suffering Chinese scholars and immigrator.