Contact Us

For account, service, payment, refund, or privacy questions, please contact us by email.

Contact Details

• Company name: Lumenhaven Future (Shenzhen) Technology Co., Ltd.
• Email: cakumiiiiiai@gmail.com
• Registered address: Room 1021, Yihua Financial Technology Building, No. 3939 Baishi Road, Binhai Community, Yuehai Subdistrict, Nanshan District, Shenzhen, China

The address above is the registered business address for Lumenhaven Future (Shenzhen) Technology Co., Ltd.. We do not operate a separate warehouse or physical product fulfilment location because Cakumi provides digital services only.

Support Hours

We review support requests within 2 business days. Please include the account email, order or transaction reference, and a clear description of the issue so that we can investigate it efficiently.

Payment and Privacy Requests

Payment and refund requests are handled under our Return / Refund Policy. Requests relating to personal information are handled under our Privacy Policy.