• Become a reseller: leily@qd3dprinter.com
• Business cooperation：info@qd3dprinter.com
• Social media related cooperation: chloe@qd3dprinter.com
• Order support: alex@qd3dprinter.com
• Delivery Issues(missing items, wrong items, etc) : Clark@qidi3d.com/Clarence@qd3dprinter.com
  

Office Hours: Monday to Saturday, 08:30-17:00（GMT+8)