1>I myself is a Malaysian , my wife is shanghainess, china and my kids give birth in shanghai and obtain the 上海户口 and with the Identification number, is he consider a china citizhen?
2>If said so , how am i going to convert the citizhenship to malaysian.
a)shall i do the cancellation in shanghai or my homeland( malaysia)?
b)what the neceassary documents should i prepare for cancellation ?
c)any department shall i looking for assistance ? any contact no ?

do let me know the outcome


thanks and regards and looking forward to hearing from you soon