bring it back to bank (or may be can mail, not sure?)
there is one time free for everything three month for the 1st year, afterwards, it is 10$ per time
most important information is the 收款人 bank account details and name, etc..
remember there is a zhongxin package hotline, but don't have the number with me, try the 24-Hour CitiPhone Banking hotline if you need absolute answer - 6225-5225.
