Holiday January-23 to February-9 January-23 to February-9 is our holiday, during this period we cannot provide delivery services. But if you have any questions during this period, you can contact us at any time, email: lisheng@chunzehui.com
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Change Account Information

After logging in, you can see My Account on the top of czh-labs.com. You can go to change my profile to change your email address. Password and shipping information can be changed in the list of Change Password and Contact Information.