copy of my marriage certificate -married december 2011 -harbin -chiina

hello. my name is alan joseph evans -i live in melbourne -australia-my wife returned PRC 2015 -taking with her both marriage certificates-i require another copy -for impending divorce -settlement -can you give me email address marriage registry office -for communication -passport -identity papers -you will require -and my fee to pay for necessary duplicate. thank you
alan evans