Since 2020/3/3, if you want to change your email address, please send an email using separately your new email as well as former email to your sales representative like following.
Title: Change My Registered Email Address
here I would like to change my email address.
My account number: 【your account number starting with H】
My registered email address: 【your original email address】
My new email address: 【your new email address】
Reason for changing: 【if you’d like to share】
After we receive your email, no matter your original email address has been activated or not, the activation of your new email address would be handled by us.