You can gain Kaldorei Wind Chimes through Profession: Archaeology when you get to Archaeology 75.It needs much time working and good luck to get Kaldorei Wind Chime.
1.You will get Kaldorei Wind Chimes.
2.You need to provide your account.
3.Your character needs to be lvl 50.
4.Estimated time: 1-2days.