Frequently Asked Questions
Everything you need to know about SUNLU 3D printing products and services.
What is the typical shipping time for SUNLU orders?
Most orders are processed within 1-2 business days. Shipping times vary by region, typically ranging from 3-7 business days for domestic orders and 7-15 business days for international destinations.
How should I store my SUNLU 3D printing filament?
To maintain optimal quality, store your filament in a cool, dry place using a vacuum-sealed bag or a filament dryer box to prevent moisture absorption and ensure smooth extrusion.
What is your return policy for defective electronics?
We offer a 30-day return policy for items with manufacturing defects. If your 3D pen, dryer box, or printer is malfunctioning, please contact our support team with your order number and video evidence.
Which payment methods do you accept?
We accept all major credit cards including Visa, Mastercard, and American Express, as well as digital payment options like PayPal, Apple Pay, and Google Pay.
Are SUNLU filaments compatible with all 3D printers?
Our filaments are manufactured with a standard diameter tolerance of +/- 0.02mm, making them compatible with 99% of FDM 3D printers on the market that use 1.75mm or 2.85mm diameter materials.
How can I track my package after it has been shipped?
Once your order is dispatched, you will receive a shipping confirmation email containing a tracking number and a link to the carrier's website to monitor your delivery status.