Frequently Asked Questions
Everything you need to know about SUNLU 3D printing products and services.
How long does shipping take for my 3D printing supplies?
Orders are typically processed within 24-48 hours. Depending on your location, standard shipping usually takes 3-7 business days via our local warehouses.
What is the recommended storage for SUNLU filament?
To maintain high print quality, we recommend storing your filament in a cool, dry place using a vacuum bag or a specialized filament dryer box to prevent moisture absorption.
What is your return policy for defective electronics?
We offer a 30-day return policy for unused items and a comprehensive warranty on our 3D printers and drying stations if technical hardware issues occur.
Which payment methods do you accept?
We accept all major credit cards (Visa, Mastercard, American Express), PayPal, and Apple Pay for a secure and seamless checkout experience.
How can I track my order status?
Once your order has shipped, you will receive an email notification containing a tracking number and a link to the carrier's website to monitor your delivery.
Are SUNLU filaments compatible with all 3D printers?
Yes, our filaments are designed with high-precision tolerances (+/- 0.02mm) to be compatible with most FDM 3D printers on the market that use 1.75mm diameter materials.