📞 Contact Us
We look forward to hearing from you — whether by phone, email, at events, or through our social media pages.
If you have any questions about this policy or how we apply it, please contact us at:
📧 support@entina3d.com
🕒 Service Hours
Because of regional time differences, our online technical service is available:
Sunday to Thursday: 7:00 PM – 2:00 AM (Central Time)
Closed on Friday and Saturday
🤝Business Contact
Business Opportunities (WhatsApp): +86 19128776562
💬 Community Guidelines
We encourage open and thoughtful discussion about:
3D printers
Related accessories
Filament materials
Open Source Hardware
🚫 Comments will be removed if they:
Contain obscene, offensive, harassing, or threatening language
Include hate speech or discriminatory content (race, color, gender, orientation, religion, etc.)
Contain spam, malicious links, or technical disruptions
Promote or endorse unrelated products or services
Contain irrelevant advertisements or links
Violate social media network terms of service
Infringe on laws or regulations, including patent, trademark, or copyright
We also reserve the right to delete:
Excessive wall postings
Gratuitous links considered spam
Repeated violations may result in permanent bans from our social media pages.
🔒 Privacy Reminder
To protect your personal privacy, please avoid sharing sensitive information (such as your email address, street address, or phone number) in public comments or posts on our social media channels.