Contact Policy

We are committed to providing efficient and professional customer service. Please follow the simple rules and guidelines below when contacting us:

Customer Service Hours:

• Weekdays (Monday to Friday): Pacific Time, 9:00 AM – 6:00 PM

• Weekends (Saturday and Sunday): Pacific Time, 2:00 PM – 5:00 PM

Email Support:
If you have any questions, feedback, or order inquiries, please email us at: support@topdiagofficial.com. Please include your order number and details of your issue so we can assist you as quickly as possible.

WhatsApp Support:
You can also contact us via WhatsApp: +86 18126130348

Response Time:
We promise to respond to all inquiries within 24 hours. Thank you for your patience and understanding.

Privacy Protection:
We will protect your personal information and use it solely to process your inquiries and orders. For more details, please refer to our Privacy Policy.