Notice:  Update on USA Tariff Policy and Shipping Arrangements

Due to recent changes in USA tariff regulations, all shipments to the United States will now be routed through a third country to help our customers avoid high import duties. As a result, delivery times will be slightly extended.
Standard Airmail: Estimated delay of approximately 10 days, DHL/UPS Express: Estimated delay of approximately 5 days. We appreciate your understanding and patience as we work to minimize the impact of these changes.

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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.