1. Operator and contact
JiaMu Technology (Shenyang) Co., Ltd.. For JumHub service, privacy, account closure or rights complaints, email service@jiamukeji.com or use the product’s existing support entry.
2. What to include
Start with the product name, request type, necessary account or order reference if any, and a clear description. Explain your authority when acting for another person. Identity verification and supporting files need an appropriate channel. Do not attach full health reports, dental scans, patient names, passwords or payment credentials to ordinary email.
3. Request boundaries
Contacting support does not automatically delete an account, issue a refund, provide medical advice or obtain emergency help. Outcomes require confirmation of the relevant action and records. Applicable regulatory or judicial remedies are not removed by contacting support.